PATCH libffi win64 support

[Ralf Wildenhues]

* Andrew Haley wrote on Tue, Jun 16, 2009 at 06:25:30PM CEST:
> NightStrike wrote:
> > On Tue, Jun 16, 2009 at 11:57 AM, NightStrike<nightstrike@gmail.com> wrote:
> >> configure: error: "libffi has not been ported to x86_64-w64-mingw32."
> > 
> > It looks like you might just have to regenerate configure
> 
> I did, about five times, and it made no difference.  I wonder if there
> might be some autoconf weirdness with timestamps or checksums or somesuch.

autoconf without --force looks at time stamps of input files, yes.

Cheers,
Ralf