PAC_CLIENT_INFO principal names do not contain a realm, so parse them
with the KRB5_PRINCIPAL_PARSE_NO_REALM flag.  Otherwise we'll wind up
using the default realm (and then ignoring it) which fails if one
isn't configured.

https://github.com/krb5/krb5/commit/1261faf0569fc172dafa7c39262d177e3ab38848
Commit By: ghudson
Revision: 25050
Changed Files:
U   trunk/src/lib/krb5/krb/pac.c