Fix activating [ ] Enabled with the keyboard.
Fix activating [ ] Enabled with the keyboard.

The GtkToggleButton::released signal has been deprecated since Gtk+ 2.8.
And, is also wrong, because there are other ways to change the state of
this button besides using your mouse.

Fixes bug #623972.

Toggled-by: Jonny Lamb <3d1fb3642aaab2ff70e3392a5ab916bf99eed6a3@collabora.co.uk>

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