Cancel an authentication if the unique name for the subject vanishes
Cancel an authentication if the unique name for the subject vanishes

This makes it easier to write mechanisms as they don't have to watch
for the client requesting service vanishing.

magcius/polkit,magcius/polkit,krytarowski/polkit,Distrotech/polkit,krytarowski/polkit,krytarowski/polkit,krytarowski/polkit,Distrotech/polkit,Distrotech/polkit,cgwalters/polkit,cgwalters/polkit,magcius/polkit,Distrotech/polkit,magcius/polkit,magcius/polkit,cgwalters/polkit,cgwalters/polkit,Distrotech/polkit,cgwalters/polkit,Distrotech/polkit,krytarowski/polkit