Fix IDEA warning in FSFileBackend

Change-Id: Ia46bffabde91fb22df11cf953c0199995a41cb91

diff --git a/includes/libs/filebackend/FSFileBackend.php b/includes/libs/filebackend/FSFileBackend.php
index 99184e1..8afdce4 100644 (file)
--- a/includes/libs/filebackend/FSFileBackend.php
+++ b/includes/libs/filebackend/FSFileBackend.php
@@ -592,7 +592,7 @@ class FSFileBackend extends FileBackendStore {
         * @param string $fullCont
         * @param string $dirRel
         * @param array $params
-        * @return array|null
+        * @return array|FSFileBackendDirList|null
         */
        public function getDirectoryListInternal( $fullCont, $dirRel, array $params ) {
                list( , $shortCont, ) = FileBackend::splitStoragePath( $params['dir'] );