bug#9960: Compiling Emacs trunk with MSVC

[Eli Zaretskii]

> From: Fabrice Popineau <fabrice.popineau@supelec.fr>
> Date: Mon, 28 Nov 2011 20:07:29 +0100
> Cc: cschol2112@googlemail.com, 9960@debbugs.gnu.org
> 
> On my side, there is still this messy 'tzname', which seems to be defined
> in some part an not in some others.
> I need the patch below.  It could probably be eliminated by a careful
> analysis of what files are included.
> I think the problem is that tzname may be defined to be _tzname _before_
> including the regular MS <time.h> .

This should now be fixed (with trunk revision 107670).

Fabrice, please tell if there are any other problems that prevent the
32-bit MSVC build from working.  If no problems remain, I will close
this bug.

Thanks.