Re: rshd spring cleaning

Whoops, I sent this before seeing Okan's mail. Sorry for the dup.

rshd spring cleaning

rshd has des_old API references, but it's in the kerberosIV code which we don't build anymore since years. The following diff removes the KerberosIV code from rshd (cpp symbols KERBEROS and CRYPT); and as a bonus, fixing the indentation of code afterwards apparently exposed a minor bug where error