Fix for r77231: correct variable name, was throwing fatal errors

diff --git a/includes/specials/SpecialUnusedimages.php b/includes/specials/SpecialUnusedimages.php
index 0bc1e1f..091ec3a 100644 (file)
--- a/includes/specials/SpecialUnusedimages.php
+++ b/includes/specials/SpecialUnusedimages.php
@@ -44,7 +44,7 @@ class UnusedimagesPage extends ImageQueryPage {
 
                $dbr = wfGetDB( DB_SLAVE );
 
-               $epoch = $db->unixTimestamp( 'rev_timestamp' );
+               $epoch = $dbr->unixTimestamp( 'img_timestamp' );
 
                if ( $wgCountCategorizedImagesAsUsed ) {
                        list( $page, $image, $imagelinks, $categorylinks ) = $dbr->tableNamesN( 'page', 'image', 'imagelinks', 'categorylinks' );