Minor formatting changes

Summary: Apply some autofix linter rules.

Test Plan: `arc lint` and `arc unit`

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: epriestley, Korvin, hach-que

Differential Revision: https://secure.phabricator.com/D10585

src/applications/uiexample/examples/PHUIButtonBarExample.php

@@ -19,7 +19,8 @@ final class PHUIButtonBarExample extends PhabricatorUIExample {
       'Go Back' => 'fa-chevron-left bluegrey',
       'Choose Date' => 'fa-calendar bluegrey',
       'Edit View' => 'fa-pencil bluegrey',
-      'Go Forward' => 'fa-chevron-right bluegrey');
+      'Go Forward' => 'fa-chevron-right bluegrey',
+    );
     $button_bar = new PHUIButtonBarView();
     foreach ($icons as $text => $icon) {
       $image = id(new PHUIIconView())