Missing 'h' and '?' in geopt's arg in crfsd.c

[Zach Brown]

Zhu Yanhai wrote:
> Hello,
>   There should be a 'h' and '?' in getopt's arg list in crfsd.c

Indeed, thanks for pointing this out.

I added 'h' to the option list, but didn't add '?'.  It's a magical
return code from getopt.  I removed its mention from the usage() message.

I'm not sure we'll keep the silly usage thing.  We'll probably just
document the options in the man page, but this is a good fix for now.

- z