Index: modules/user/user.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/user/user.module,v
retrieving revision 1.826
diff -u -p -r1.826 user.module
--- modules/user/user.module	2 Aug 2007 10:41:26 -0000	1.826
+++ modules/user/user.module	5 Aug 2007 17:49:00 -0000
@@ -3192,6 +3192,7 @@ function user_comment($comment, $op) {
       $comment->signature = '';
     }
   }
+  return $comment;
 }
 
 /**