#5 mkwad does not compile on windows - mingw

[David Costanzo]

The mkwad utility does not compile on Windows under
mingw. It is missing fnmatch.h and fnmatch(), which is
a UNIX-only function (or maybe GNU-only).

I poked around on the Web and it looks like GTK
overcomes this problem by including the original
fnmatch.c (from glibc) in their source tree. I think
we should do the same (assuming that mkwad is GPL).

I have given this a priority of "lowest" because our
build currently does not use mkwad and because there
are friendlier tools for Windows.