Index: categories_item.php
===================================================================
--- categories_item.php	(revision 15331)
+++ categories_item.php	(working copy)
@@ -52,12 +52,12 @@
 
 		}
 
-		function Update($id=null, $system_update = false)
+		function Update($id = NULL, $update_fields = NULL, $system_update = false)
 		{
 			$this->checkFilename();
 			$this->generateFilename();
 
-			return parent::Update($id, $system_update);
+			return parent::Update($id, $update_fields, $system_update);
 		}
 
 		function buildParentPath()