Fix issue with ref/fixes in commit messages

Summary: Fixes T4600. If there's also a revision, the variable "$message" gets overwritten. groan~

Test Plan: Pushed a commit with "Fixes T123" and a revision, saw it parse on the first try.

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: chrisbolt, aran, epriestley

Maniphest Tasks: T4600

Differential Revision: https://secure.phabricator.com/D8519

src/applications/repository/worker/commitmessageparser/PhabricatorRepositoryCommitMessageParserWorker.php

@@ -128,13 +128,13 @@ abstract class PhabricatorRepositoryCommitMessageParserWorker
             $actor);
 
           if ($committer_name && ($committer_name != $author_name)) {
-            $message = pht(
+            $revision_update_comment = pht(
               'Closed by commit %s (authored by %s, committed by %s).',
               $commit_name,
               $author_name,
               $committer_name);
           } else {
-            $message = pht(
+            $revision_update_comment = pht(
               'Closed by commit %s (authored by %s).',
               $commit_name,
               $author_name);
@@ -170,7 +170,7 @@ abstract class PhabricatorRepositoryCommitMessageParserWorker
             ->setIgnoreOnNoEffect(true)
             ->attachComment(
               id(new DifferentialTransactionComment())
-                ->setContent($message));
+                ->setContent($revision_update_comment));
 
           $content_source = PhabricatorContentSource::newForSource(
             PhabricatorContentSource::SOURCE_DAEMON,