Fix "edit multiple reviewers" string

Summary:
Fixes T6543. This was slightly trickier than I thought.

The actual inputs to this are: author, total affected count, added count, added list, removed count, removed list.

We weren't accounting for "total affected count" (used to select the correct word for "reviewers", e.g. "reviewers-few" vs "reviewers-many").

Test Plan: {F233357}

Reviewers: chad

Reviewed By: chad

Subscribers: epriestley

Maniphest Tasks: T6543

Differential Revision: https://secure.phabricator.com/D10846

src/infrastructure/internationalization/translation/PhabricatorBaseEnglishTranslation.php

@@ -554,7 +554,7 @@ abstract class PhabricatorBaseEnglishTranslation
       ),
 
       '%s edited reviewer(s), added %d: %s; removed %d: %s.' =>
-        '%s edited reviewers, added: %3$s; removed: %5$s',
+        '%s edited reviewers, added: %4$s; removed: %6$s',
 
       '%s added %d reviewer(s): %s.' => array(
         array(