Fix missing display cell in daemon summary table

Summary: Fixes T13374. The "Temporary Failures" row is missing a cell definiton from the addition of "Average Queue Time".

Test Plan: Viewed "/daemon/" with some temporary failures and and odd number of rows above the "Temporary Failures" row. Saw cell properly zebra-striped.

Maniphest Tasks: T13374

Differential Revision: https://secure.phabricator.com/D20710

src/applications/daemon/controller/PhabricatorDaemonConsoleController.php

@@ -85,6 +85,7 @@ final class PhabricatorDaemonConsoleController
         phutil_tag('em', array(), pht('Temporary Failures')),
         count($failed),
         null,
+        null,
       );
     }