Escape single quotes in quick search in attribute table

git-svn-id: http://svn.osgeo.org/qgis/trunk@13180 c8812cc2-4d05-0410-92ff-de0c093fc19c

src/app/attributetable/qgsattributetabledialog.cpp

@@ -604,7 +604,7 @@ void QgsAttributeTableDialog::search()
   else
     str += " ~ '";
 
-  str += mQuery->displayText();
+  str += mQuery->displayText().replace("'", "''"); // escape quotes
   str += "'";
 
   doSearch( str );