bug#29040: Emacs 25 hangs on windows arbitrarily during search of a unicode file

[Eli Zaretskii]

> Cc: 29040@debbugs.gnu.org
> From: Paul Eggert <eggert@cs.ucla.edu>
> Date: Fri, 3 Nov 2017 02:25:17 -0700
> 
> Eli Zaretskii wrote:
> >    globals.h:1095:10: error: requested alignment is not an integer constant
> >       struct Lisp_Symbol GCALIGNED s;
> >         ^
> 
> 
> Ouch, I had thought that only older MSVC had the problem. Sorry about that. I 
> installed the attached into emacs-26 and merged it to master.

Thanks, this fixed the build on fencepost.