MS-CHAP-V2 with no retry

[Alan DeKok]

Phil Mayers wrote:
> rlm_mschap doesn't implement a HUP handler AFAICT. It probably wouldn't
> be terribly hard to write one - the module is fairly stateless. It's
> probably best to just restart the server though.

  I think it's safe just to mark the module HUP-safe.  It wasn't marked
that way before because it had code to read a "smbpasswd" file.  That
has since been removed.

  Alan DeKok.