From a4790ed19b2c2e37fd337ab4c23e7bceb316ebff Mon Sep 17 00:00:00 2001
From: Isaac Flores <isaac.flores@beeznest.com>
Date: Wed, 10 Dec 2008 22:29:32 +0100
Subject: [PATCH] [svn r17216] minor - style changes - defined variable

---
 main/gradebook/lib/be/forumthreadlink.class.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/main/gradebook/lib/be/forumthreadlink.class.php b/main/gradebook/lib/be/forumthreadlink.class.php
index 686d5c2888..f4e73a35e0 100755
--- a/main/gradebook/lib/be/forumthreadlink.class.php
+++ b/main/gradebook/lib/be/forumthreadlink.class.php
@@ -104,7 +104,8 @@ class ForumThreadLink extends AbstractLink
 				$cats[] = array ($data['thread_id'], $data['thread_title']);
 			}
 		}
-		return $cats;
+		$my_cats=isset($cats)?$cats:null;
+		return $my_cats;
     }