If there is an error when listing streams, return for the func to avoid crashing later.
If there is an error when listing streams, return for the func to avoid crashing later.

svn path=/trunk/; revision=633

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