Fix calendar icon

Summary: Guess this never actually got implemented.

Test Plan: looked at home

Reviewers: chad

Reviewed By: chad

CC: aran

Differential Revision: https://secure.phabricator.com/D4456

src/applications/calendar/application/PhabricatorApplicationCalendar.php

@@ -14,6 +14,10 @@ final class PhabricatorApplicationCalendar extends PhabricatorApplication {
     return '/calendar/';
   }
 
+  public function getIconName() {
+    return 'calendar';
+  }
+
   public function getTitleGlyph() {
     // Unicode has a calendar character but it's in some distant code plane,
     // use "keyboard" since it looks vaguely similar.