Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Use ANSI function declarations in librpcsvc.

When compiling librpcsvc with LLVM, we get a compiler error, because
hexval() uses an ANSI prototype, but a K&R declaration. I could have
just changed hexval(), but I'd rather keep this consistent. It's not
that much code.

Submitted by: Pawel Worach <pawel worach gmail com>

clnt_call takes args of type xdrproc_t.

Add __FBSDID()s to librpcsvc

This commit was generated by cvs2svn to compensate for changes in r26213,
which included commits to RCS files with non-trunk default branches.

Step three: update librpcsvc for Secure RPC.

Reviewed by: Mark Murray