Merge branch 'QA_4_2'

ChangeLog

@@ -49,6 +49,7 @@ phpMyAdmin - ChangeLog
 - bug #4524 Allow for direct selection of "0" on the "user overview" page
 - bug #4529 Undefined index: pos
 - bug #4523 tbl_change.js: insert as new row submit type on multiple selected records does not set all AUTO_INCREMENTs to 0 value
+- bug       ajax.js responseHandler: another "cannot read property"
 
 4.2.8.1 (not yet released)
 - bug #4530 [security] DOM based XSS that results to a CSRF that creates a

js/ajax.js

@@ -299,7 +299,7 @@ var AJAX = {
         if (typeof data === 'undefined' || data === null) {
             return;
         }
-        if (data.success) {
+        if (typeof data.success != 'undefined' && data.success) {
             $table_clone = false;
             PMA_ajaxRemoveMessage(AJAX.$msgbox);