* kdc_preauth.c (etype_info_as_rep_helper): New function; shared
code for handling ETYPE-INFO and ETYPE-INFO2. Checks request for
"newer" enctypes and does not return an ETYPE-INFO if any "newer"
enctypes are present in the request. Reported by Will Fiveash.
(return_etype_info2, return_etype_info): Implement in terms of
Commit By: tlyu