diff --git a/3rdparty/MDB2/Driver/Manager/pgsql.php b/3rdparty/MDB2/Driver/Manager/pgsql.php
index a2e80caa5ce74f0e265ec782efed3d502f935c41..a61821ef0538864a03ea30ab332fbe8cd5e23e7b 100644
--- a/3rdparty/MDB2/Driver/Manager/pgsql.php
+++ b/3rdparty/MDB2/Driver/Manager/pgsql.php
@@ -68,7 +68,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function createDatabase($name, $options = array())
     {
-        $db =& $this->getDBInstance();
+        $db =$this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -95,7 +95,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function alterDatabase($name, $options = array())
     {
-        $db =& $this->getDBInstance();
+        $db =$this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -122,7 +122,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function dropDatabase($name)
     {
-        $db =& $this->getDBInstance();
+        $db =$this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -181,7 +181,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function truncateTable($name)
     {
-        $db =& $this->getDBInstance();
+        $db =$this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -209,7 +209,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function vacuum($table = null, $options = array())
     {
-        $db =& $this->getDBInstance();
+        $db =$this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -326,7 +326,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function alterTable($name, $changes, $check)
     {
-        $db =& $this->getDBInstance();
+        $db =$this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -441,7 +441,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function listDatabases()
     {
-        $db =& $this->getDBInstance();
+        $db =$this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -474,7 +474,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function listUsers()
     {
-        $db =& $this->getDBInstance();
+        $db =$this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -501,7 +501,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function listViews($database = null)
     {
-        $db =& $this->getDBInstance();
+        $db =$this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -680,7 +680,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function listTableFields($table)
     {
-        $db =& $this->getDBInstance();
+        $db =$this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -716,7 +716,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function listTableIndexes($table)
     {
-        $db =& $this->getDBInstance();
+        $db =$this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -769,7 +769,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function dropConstraint($table, $name, $primary = false)
     {
-        $db =& $this->getDBInstance();
+        $db =$this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -817,7 +817,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function listTableConstraints($table)
     {
-        $db =& $this->getDBInstance();
+        $db =$this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -882,7 +882,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function createSequence($seq_name, $start = 1)
     {
-        $db =& $this->getDBInstance();
+        $db =$this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -904,7 +904,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function dropSequence($seq_name)
     {
-        $db =& $this->getDBInstance();
+        $db =$this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -924,7 +924,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function listSequences($database = null)
     {
-        $db =& $this->getDBInstance();
+        $db =$this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
diff --git a/3rdparty/MDB2/Driver/Reverse/pgsql.php b/3rdparty/MDB2/Driver/Reverse/pgsql.php
index 649c1cad9ee629655faf00667937beae6e3cc287..8669c2b919b176b0c2ab465ad436e2cbccf178e1 100644
--- a/3rdparty/MDB2/Driver/Reverse/pgsql.php
+++ b/3rdparty/MDB2/Driver/Reverse/pgsql.php
@@ -69,7 +69,7 @@ class MDB2_Driver_Reverse_pgsql extends MDB2_Driver_Reverse_Common
      */
     function getTableFieldDefinition($table_name, $field_name)
     {
-        $db =& $this->getDBInstance();
+        $db =$this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -198,7 +198,7 @@ class MDB2_Driver_Reverse_pgsql extends MDB2_Driver_Reverse_Common
      */
     function getTableIndexDefinition($table_name, $index_name)
     {
-        $db =& $this->getDBInstance();
+        $db =$this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -256,7 +256,7 @@ class MDB2_Driver_Reverse_pgsql extends MDB2_Driver_Reverse_Common
      */
     function getTableConstraintDefinition($table_name, $constraint_name)
     {
-        $db =& $this->getDBInstance();
+        $db =$this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -443,7 +443,7 @@ class MDB2_Driver_Reverse_pgsql extends MDB2_Driver_Reverse_Common
      */
     function getTriggerDefinition($trigger)
     {
-        $db =& $this->getDBInstance();
+        $db =$this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -517,7 +517,7 @@ class MDB2_Driver_Reverse_pgsql extends MDB2_Driver_Reverse_Common
            return parent::tableInfo($result, $mode);
         }
 
-        $db =& $this->getDBInstance();
+        $db =$this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }