fix a crasher with a config file-not-found issue
fix a crasher with a config file-not-found issue

we need to check f.jw for nil (which we do elsewhere)

maybe a long-term strategy is to set jw to be an empty dictionary?

keybase/client,keybase/client,keybase/client,keybase/client,dcposch/go,keybase/client,keybase/client,keybase/client,keybase/client,dcposch/go,keybase/client,keybase/client,keybase/client,keybase/client