Arcanist Project migration uses wrong column in old table

Summary: Fixes T8375. This column is `repositoryID`, not `repository`.

Test Plan: Examined schema.

Reviewers: joshuaspence, btrahan, chad

Reviewed By: chad

Subscribers: epriestley

Maniphest Tasks: T8375

Differential Revision: https://secure.phabricator.com/D13097

resources/sql/autopatches/20150503.repositorysymbols.2.php

@@ -11,7 +11,7 @@ $projects = queryfx_all(
 foreach ($projects as $project) {
   $repo = id(new PhabricatorRepositoryQuery())
     ->setViewer(PhabricatorUser::getOmnipotentUser())
-    ->withIDs(array($project['repository']))
+    ->withIDs(array($project['repositoryID']))
     ->executeOne();
 
   if (!$repo) {