Fix lint errors found by Nemo

Summary:
See also:

- https://github.com/tpyo/amazon-s3-php-class/pull/33
- https://github.com/stripe/stripe-php/pull/13

Test Plan: Ran a script analyzing sources by HPHP.

Reviewers: btrahan, jungejason, epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D2713

src/applications/differential/controller/DifferentialRevisionViewController.php

@@ -278,7 +278,7 @@ final class DifferentialRevisionViewController extends DifferentialController {
     $changeset_view->setVsMap($vs_map);
     $changeset_view->setWhitespace($whitespace);
     if ($repository) {
-      $changeset_view->setRepository($repository, $target);
+      $changeset_view->setRepository($repository);
     }
     $changeset_view->setSymbolIndexes($symbol_indexes);