add missing wgLang definition

diff --git a/includes/ImagePage.php b/includes/ImagePage.php
index ecd5d31..5375244 100644 (file)
--- a/includes/ImagePage.php
+++ b/includes/ImagePage.php
@@ -165,7 +165,7 @@ class ImagePage extends Article {
        }
 
        function openShowImage() {
-               global $wgOut, $wgUser, $wgImageLimits, $wgRequest;
+               global $wgOut, $wgUser, $wgImageLimits, $wgRequest, $wgLang;
                global $wgUseImageResize, $wgGenerateThumbnailOnParse;
 
                $full_url  = $this->img->getURL();