Merge pull request #9133 from electron/app-exit-failure
authorKevin Sawicki <kevin@github.com>
Tue, 11 Apr 2017 16:49:54 +0000 (09:49 -0700)
committerGitHub <noreply@github.com>
Tue, 11 Apr 2017 16:49:54 +0000 (09:49 -0700)
Fix app.exit() not closing all windows


Trivial merge