restart the camera only if it's already running
restart the camera only if it's already running

Always restarting it will enable the camera in an audio only call.

https://bugzilla.gnome.org/show_bug.cgi?id=664459

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