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Index: modules/comment/comment.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/comment/comment.module,v
retrieving revision 1.617.2.3
diff -u -p -r1.617.2.3 comment.module
--- modules/comment/comment.module	17 Sep 2008 06:22:38 -0000	1.617.2.3
+++ modules/comment/comment.module	1 Nov 2008 23:32:01 -0000
@@ -1600,7 +1600,7 @@ function theme_comment_view($comment, $n
  *   Comments per page.
  * @ingroup forms
  */
-function comment_controls($mode = COMMENT_MODE_THREADED_EXPANDED, $order = COMMENT_ORDER_NEWEST_FIRST, $comments_per_page = 50) {
+function comment_controls(&$form_state, $mode = COMMENT_MODE_THREADED_EXPANDED, $order = COMMENT_ORDER_NEWEST_FIRST, $comments_per_page = 50) {
   $form['mode'] = array('#type' => 'select',
     '#default_value' => $mode,
     '#options' => _comment_get_modes(),