code cleanup

apps/files_encryption/ajax/changemode.php

 <?php
+/**
+ * Copyright (c) 2012, Bjoern Schiessle <schiessle@owncloud.com>
+ * This file is licensed under the Affero General Public License version 3 or later.
+ * See the COPYING-README file.
+ */
 
 OCP\JSON::checkAppEnabled('files_encryption');
 OCP\JSON::checkLoggedIn();
@@ -9,7 +14,7 @@ $mode = $_POST['mode'];
 $query = \OC_DB::prepare( "SELECT mode FROM *PREFIX*encryption WHERE uid = ?" );
 $result = $query->execute(array(\OCP\User::getUser()));
 
-if ($row = $result->fetchRow()){
+if ($result->fetchRow()){
 	$query = OC_DB::prepare( 'UPDATE *PREFIX*encryption SET mode = ? WHERE uid = ?' );
 } else {
 	$query = OC_DB::prepare( 'INSERT INTO *PREFIX*encryption ( mode, uid ) VALUES( ?, ? )' );

apps/files_encryption/settings-personal.php

 <?php
+/**
+ * Copyright (c) 2012 Bjoern Schiessle <schiessle@owncloud.com>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
 
 $sysEncMode = \OC_Appconfig::getValue('files_encryption', 'mode', 'none');
 
@@ -21,5 +27,3 @@ if ($sysEncMode == 'user') {
 }
 
 return null;
-
-?>
\ No newline at end of file

apps/files_encryption/templates/settings-personal.php

-
 <form id="encryption">
 <fieldset class="personalblock">