restore correct OID for GSS_C_PEER_HAS_UPDATED_SPNEGO, this should have no
ABI implications, it's for internal use only. The current OID was incorrectly
copied in commit dbeeb18a, it should belong to 1.3.6.1.4.1.5322.19 which is
... enterprise(1) padl(5322) gssKrb5Extensions(19). The OID we were camping
on belongs to another party.