Merge branch 'cherry-pick-29ca9876' into '1.2.3-fixes'

Merge branch 'stricter-ldap-error-check' into '1.2.3-fixes'

See merge request fusiondirectory/fd!650

include/class_ldap.inc

@@ -906,7 +906,7 @@ class LDAP
    */
   function success()
   {
-    return preg_match('/Success/i', $this->error);
+    return (trim($this->error) === 'Success');
   }
 
   /*!