Index: includes/forums/template-tags.php
===================================================================
--- includes/forums/template-tags.php	(revision 4516)
+++ includes/forums/template-tags.php	(working copy)
@@ -512,6 +512,7 @@
 	function bbp_get_forum_freshness_link( $forum_id = 0 ) {
 		$forum_id  = bbp_get_forum_id( $forum_id );
 		$active_id = bbp_get_forum_last_active_id( $forum_id );
+		$link_url = $title = '';
 
 		if ( empty( $active_id ) )
 			$active_id = bbp_get_forum_last_reply_id( $forum_id );