Keep a ref to the tooltip_widget so it is not recreated all the time.
Keep a ref to the tooltip_widget so it is not recreated all the time.

svn path=/trunk/; revision=1395

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