Index: includes/menu.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/menu.inc,v
retrieving revision 1.317
diff -u -p -r1.317 menu.inc
--- includes/menu.inc	2 Apr 2009 03:40:05 -0000	1.317
+++ includes/menu.inc	4 Apr 2009 15:16:54 -0000
@@ -2338,7 +2338,7 @@ function menu_link_maintain($module, $op
         ->condition('module', $module)
         ->execute();
       foreach ($result as $item) {
-        menu_cache_clear($item['menu_name']);
+        menu_cache_clear($item->menu_name);
       }
       break;
     case 'delete':