Would probably be wanting "$wgStyleVersion" rather than "wgStyleVersion", otherwise...

diff --git a/includes/ImagePage.php b/includes/ImagePage.php
index 247c539..f0cab06 100644 (file)
--- a/includes/ImagePage.php
+++ b/includes/ImagePage.php
@@ -77,7 +77,7 @@ class ImagePage extends Article {
                                $wgOut->addHTML( "<h2 id=\"metadata\">" . wfMsgHtml( 'metadata' ) . "</h2>\n" );
                                $wgOut->addWikiText( $this->makeMetadataTable( $exif ) );
                                $wgOut->addHTML(
-                                       "<script type=\"text/javascript\" src=\"$wgStylePath/common/metadata.js?wgStyleVersion\"></script>\n" .
+                                       "<script type=\"text/javascript\" src=\"$wgStylePath/common/metadata.js?$wgStyleVersion\"></script>\n" .
                                        "<script type=\"text/javascript\">attachMetadataToggle('mw_metadata', '$expand', '$collapse');</script>\n" );
                        }
                } else {