[JobQueue] Make doIsEmpty return bool in all cases.

Change-Id: Ic42f426ef3d13bd0726955fe29b7e7c3d0cae152

diff --git a/includes/job/JobQueueDB.php b/includes/job/JobQueueDB.php
index e23ff0d..7f3a73c 100644 (file)
--- a/includes/job/JobQueueDB.php
+++ b/includes/job/JobQueueDB.php
@@ -54,6 +54,7 @@ class JobQueueDB extends JobQueue {
                );
 
                $wgMemc->add( $key, $found ? 'false' : 'true', self::CACHE_TTL );
+               return (bool)$found;
        }
 
        /**