libskey contains references to _crypt and can't resolve it unless
-lcrypt occurs after it in the link command. This only occurs when
linking statically.
- Get rid of inverse logic (NOKERBEROS and NOEBONES) in src/makefile,
and replace with MAKE_KERBEROS and MAKE_EBONES. (Far fewer contortions,
and both default to off.) IF YOU WANT KERBEROS, YOU HAVE TO EXPLICITLY
DEFINE ONE OF THESE.
- Make Makefiles kerberos-aware.
