Index: branches/5.2.x/core/units/permission_types/permission_type_eh.php
===================================================================
diff -u -N -r14662 -r15065
--- branches/5.2.x/core/units/permission_types/permission_type_eh.php	(.../permission_type_eh.php)	(revision 14662)
+++ branches/5.2.x/core/units/permission_types/permission_type_eh.php	(.../permission_type_eh.php)	(revision 15065)
@@ -20,8 +20,10 @@
 	 * Cant delete system permissions
 	 *
 	 * @param kEvent $event
+	 * @return void
+	 * @access protected
 	 */
-	function OnBeforeItemDelete(&$event)
+	protected function OnBeforeItemDelete(kEvent &$event)
 	{
 		parent::OnBeforeItemDelete($event);