Issues bringing 'new SPENGO' to MIT Kerberos 1.8 builds

[Luke Howard]

>> I see the OID definition there, but no code using it.
> 
> See gse_get_session_key().  We can probably stop defining the OID inline
> and just skip the whole call if the headers do not include it. 


Right, if there is no symbol / header definition in gssapi_ext.h, then it's not supported. They were both introduced at the same time.

-- Luke