0001-allow-autoreconf-force.patch from bap (Barak A. Pearlmutter).

0001-allow-autoreconf-force.patch from bap (Barak A. Pearlmutter).

  From: "Barak A. Pearlmutter" <barak+git@cs.nuim.ie>
  Date: Mon, 22 Jul 2013 19:58:13 +0200
  Subject: allow autoreconf force

Recombobulate slightly to allow full regeneration via the command
$ autoreconf --force

- move src/microcode/aclocal.m4 to src/microcode/mit_scheme_native_code.m4

- use single shared directory locally-defined macros (src/microcode/ for now)

The necessary local m4 macro file is explicitly included.
This is necessary because autoconf is not using automake or libtools,
so  AC_CONFIG_MACRO_DIR([.../microcode]) won't work.  Gulp.