BUG 11129 No es posible editar un Process premissions... SOLVED

- Variable not defined.
- add deletede permission in delete group.

workflow/engine/classes/class.processMap.php

@@ -3910,6 +3910,7 @@ class processMap
     public function editObjectPermission($sOP_UID, $sProcessUID)
     {
 
+        $user = '';
         $oCriteria = new Criteria();
         $oCriteria->add(ObjectPermissionPeer::OP_UID, $sOP_UID);
         $oDataset = ObjectPermissionPeer::doSelectRS($oCriteria);