From e9fefecaeddb3b932a5279ad6dd03ea3e384108b Mon Sep 17 00:00:00 2001
From: Aaron Schulz <aaron@users.mediawiki.org>
Date: Wed, 14 Jan 2009 00:39:43 +0000
Subject: [PATCH] Fix for r45723

---
 includes/diff/DifferenceEngine.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/includes/diff/DifferenceEngine.php b/includes/diff/DifferenceEngine.php
index 60c1eb6573..a44650f37a 100644
--- a/includes/diff/DifferenceEngine.php
+++ b/includes/diff/DifferenceEngine.php
@@ -432,7 +432,8 @@ CONTROL;
 		#
 		$sk = $wgUser->getSkin();
 
-		if( !$this->mOldid || $this->mOldid == $this->mNewid ) {
+		$next = $this->mTitle->getNextRevisionID( $this->mNewid );
+		if( !$next ) {
 			$nextlink = '';
 		} else {
 			$nextlink = '<br/>' . $sk->makeKnownLinkObj( $this->mTitle, wfMsgHtml( 'nextdiff' ), 
-- 
2.20.1