Feed.php: Apply wfBCP47 to language code

Change-Id: Ibaf771f6348bd5c25a39d6e6ae328251191454e2

diff --git a/includes/Feed.php b/includes/Feed.php
index 600b136..2133dae 100644 (file)
--- a/includes/Feed.php
+++ b/includes/Feed.php
@@ -141,7 +141,7 @@ class FeedItem {
         */
        public function getLanguage() {
                global $wgLanguageCode;
-               return $wgLanguageCode;
+               return wfBCP47( $wgLanguageCode );
        }
 
        /**