bug#58708: 29.0.50; [PATCH] Fix build error that gflags.will_dump_ not surround by the directives as its definition

[Eli Zaretskii]

> From: lin Sun <sunlin7@yahoo.com>
> Date: Sat, 22 Oct 2022 05:16:45 +0000
> 
> The "gflags.will_dump_" is defined in the lisp.h and surround by these
> directives,
> 
> #if defined HAVE_PDUMPER || defined HAVE_UNEXEC
> 
>   bool will_dump_ : 1;
> 
> #endif
> 
> But its references weren't surrounded with the same directives, so
> emacs will fail to build without any dumper.
> 
> This patch will fix the build errors. Please review and merge this patch. 
> Thanks

Thanks, but I prefer to have this field to be defined unconditionally.
That's a much simpler, cleaner change, and the fact that it "wastes" a
one-bit field in some builds is nothing to worry about, IMO.