Adding strlcpy and strlcat replacements to libradius

[Alan DeKok]

Nicolas Baradakis <nbk at sitadelle.com> wrote:
> For now libradius.h includes autoconf.h, which is annoying for the
> people who want to use the libradius in an external program. And it
> seems it's not needed: for me the server compiles successfully with
> the #include "autoconf.h" removed from src/include/*.h.

  Wonderful.  Let's nuke it from those files, then.

  Alan DeKok.