Merge pull request #6842 from owncloud/fix-quotes-again-master

Quote column names on adding description

3rdparty @ 7c2c94c9

-Subproject commit faeedfcc0573868a2f0bde81f25a67a940c100ab
+Subproject commit 7c2c94c904c2721763e97d5bafd115f863080a60

tests/data/db_structure.xml

@@ -21,6 +21,7 @@
     <autoincrement>1</autoincrement>
     <unsigned>true</unsigned>
     <length>4</length>
+    <comments>This is the id</comments>
    </field>
 
    <field>