minor: fix translation error in exception

Test Plan: look hard at code.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D19463

src/applications/aphlict/management/PhabricatorAphlictManagementWorkflow.php

@@ -217,6 +217,7 @@ abstract class PhabricatorAphlictManagementWorkflow
             'index "%s"). You should manually create this directory or '.
             'choose a different logfile location. %s',
             $dir,
+            $index,
             $ex->getMessage()));
       }
     }