Fix return of Interwiki::invalidateCache

InterwikiLookup::invalidateCache does not expected a return value

Change-Id: I5b2ba21ccb42ba9925205eb1645f2152fd51c0a0

diff --git a/includes/interwiki/Interwiki.php b/includes/interwiki/Interwiki.php
index 8dd6193..2156820 100644 (file)
--- a/includes/interwiki/Interwiki.php
+++ b/includes/interwiki/Interwiki.php
@@ -88,7 +88,7 @@ class Interwiki {
         * @since 1.26
         */
        public static function invalidateCache( $prefix ) {
-               return MediaWikiServices::getInstance()->getInterwikiLookup()->invalidateCache( $prefix );
+               MediaWikiServices::getInstance()->getInterwikiLookup()->invalidateCache( $prefix );
        }
 
        /**