empathy-call-window.c: update priv->sending_video *before* changing widget's state
empathy-call-window.c: update priv->sending_video *before* changing widget's state

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