#175979 by Desbeers: forum module does not need to call node_prepare anymore, because it is already done

modules/forum/forum.module

@@ -195,7 +195,6 @@ function forum_nodeapi(&$node, $op, $teaser, $page) {
         $breadcrumb[] = array('path' => 'node/'. $node->nid);
         menu_set_location($breadcrumb);
 
-        $node = node_prepare($node, $teaser);
         if (!$teaser) {
           $node->content['forum_navigation'] = array(
             '#value' => theme('forum_topic_navigation', $node),