[krbdev.mit.edu #6604] issues with gss_inquire_context and gss_display_context when using SPNEGO

[Arlene Berry via RT]

Any option which works is okay with us.  What happens if the actual
mechanism returns an error for its gss_init_sec_context or
gss_accept_sec_context?  It looks like those errors are returned up the
call chain and I'm not sure how to tell the difference between them and
something SPNEGO itself returns.