Fix app tag choices for decoding EncASRepPart

When decoding an AS-REP enc part, we should accept app tags 26 (the
bogus one we generate) and 25 (the correct value).  We were accepting
26 and 24.  Bug report and fix by stefw@gnome.org.

https://github.com/krb5/krb5/commit/db9da51673393125d96f9d83b8d236861ba2fae9
Commit By: ghudson
Revision: 25802
Changed Files:
U   trunk/src/lib/krb5/asn.1/asn1_k_encode.c