Make the logic a little clearer in OSXUserWindow.
Make the logic a little clearer in OSXUserWindow.

wyrover/titanium_desktop,appcelerator/titanium_desktop,jvkops/titanium_desktop,jvkops/titanium_desktop,wyrover/titanium_desktop,wyrover/titanium_desktop,appcelerator/titanium_desktop,appcelerator/titanium_desktop,wyrover/titanium_desktop,appcelerator/titanium_desktop,jvkops/titanium_desktop,appcelerator/titanium_desktop,jvkops/titanium_desktop,wyrover/titanium_desktop,wyrover/titanium_desktop,jvkops/titanium_desktop,jvkops/titanium_desktop