mozilla/kuma — pull request #2716 by darkwing (2014-08-28 19:09:17+00:00)
Title: fix bug 1059971 - Don't attempt to close non-existant menu

To test, hover your mouse first over "Connect" in the main menu. Warning shows in console. This fixes said issue.

https://bugzilla.mozilla.org/show_bug.cgi?id=1059971