empathy-call-window: add priv->sending_video so we don't call empathy_call_window_set_send_video when it's not needed
empathy-call-window: add priv->sending_video so we don't call empathy_call_window_set_send_video when it's not needed

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