Special-case closing a window with exactly one tab
Special-case closing a window with exactly one tab

The confirmation message when closing a window containing one tab, which
is a chat room, should be identical to the confirmation message when
closing that tab with ^W.

https://bugzilla.gnome.org/show_bug.cgi?id=591756

Distrotech/telepathy-account-widgets,GNOME/telepathy-account-widgets,Distrotech/telepathy-account-widgets,GNOME/telepathy-account-widgets,GNOME/telepathy-account-widgets