* The SVGMetadataExtractor now based on XmlReader

[lhc/web/wiklou.git] / includes / media / DjVu.php

diff --git a/includes/media/DjVu.php b/includes/media/DjVu.php
index 73b73a2..cc3f1db 100644 (file)
--- a/includes/media/DjVu.php
+++ b/includes/media/DjVu.php
@@ -108,6 +108,7 @@ class DjVuHandler extends ImageHandler {
                $cmd .= ' > ' . wfEscapeShellArg($dstPath) . ') 2>&1';
                wfProfileIn( 'ddjvu' );
                wfDebug( __METHOD__.": $cmd\n" );
+               $retval = '';
                $err = wfShellExec( $cmd, $retval );
                wfProfileOut( 'ddjvu' );