Diffusion - fix bug from D5883

Summary: forgot to specify the commit! On github as https://github.com/facebook/phabricator/pull/318, though this is a tighter fix.

Test Plan: tried to save an owners package with a folder - FAIL - then with the patch - GREAT SUCCESS

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D5933

src/applications/owners/storage/PhabricatorOwnersPackage.php

@@ -319,6 +319,7 @@ final class PhabricatorOwnersPackage extends PhabricatorOwnersDAO
               $drequest,
               'diffusion.browsequery',
               array(
+                'commit' => $drequest->getCommit(),
                 'path' => $path,
                 'needValidityOnly' => true)));
           $valid = $results->isValidResults();