FidDestroy could be called during TAuth/Rerror for unauthenticated connections which don't have a fid associated with them. Make sure that we check whether fid.Aux is set before we try to dispose of it.
FidDestroy could be called during TAuth/Rerror for unauthenticated connections which don't have a
fid associated with them. Make sure that we check whether fid.Aux is set before we try to dispose of
it.

frobnitzem/chan9,frobnitzem/chan9,djs55/go9p,mortdeus/go9p,gdevillele/go9p