JobQueue: Actually return the value from getRootJobCacheKey()

I8d94a650e accidentally left out the 'return' keyword, so the function
returns null.

Bug: T209429
Change-Id: Ie29c1ea5eab6ddedd0fe58010fc9cf8e3a6e2f12

diff --git a/includes/jobqueue/JobQueue.php b/includes/jobqueue/JobQueue.php
index 7d34f32..3689ba4 100644 (file)
--- a/includes/jobqueue/JobQueue.php
+++ b/includes/jobqueue/JobQueue.php
@@ -531,7 +531,7 @@ abstract class JobQueue {
         * @return string
         */
        protected function getRootJobCacheKey( $signature ) {
-               $this->dupCache->makeGlobalKey(
+               return $this->dupCache->makeGlobalKey(
                        'jobqueue',
                        $this->domain,
                        $this->type,