* (bug 1178) Fix previous diff link when using 'oldid=0'

Forward port fix from REL1_4

diff --git a/includes/DifferenceEngine.php b/includes/DifferenceEngine.php
index 3af5767..758a6e0 100644 (file)
--- a/includes/DifferenceEngine.php
+++ b/includes/DifferenceEngine.php
@@ -283,6 +283,7 @@ class DifferenceEngine {
                        $this->oldRev =& Revision::newFromId( $this->mOldid );
                } else {
                        $this->oldRev =& $this->newRev->getPrevious();
+                       $this->mOldid = $this->oldRev->getId();
                }
                        
                $this->mOldPage = $this->oldRev->getTitle();