[DGD] DGD For MSys, mark 2

[Felix A. Croes]

Jared Maddox <absinthdraco at gmail.com> wrote:

> This patch applies the same way as the other does. Please bear in mind
> that this patch DEPENDS on the previous one, so if you're applying
> this one you must first apply the other. And here's the new-new patch:

This patch not only sets HOST to MSys in the Makefile, but also uses
MSys as the C-level platform macro.  DGD won't compile this way; there
should probably be separate Makefile variables, with the one passed on
to the compiler set to WIN32.

Regards,
Felix Croes