RE: BUG #16920: Can't compile PostGIS with MingW64 against PostgreSQL 14 head

> Our usual recommendation is to include postgres.h before all else; is
there a
> really good reason to be pulling in libxml headers before that?
> 
> Having seen this, I now guess that your issue is happening because one of
> those headers has already included <sys/stat.h> before win32_port.h tries
to
> do so.  That makes our attempt to relabel the system's "struct stat" as
"struct
> microsoft_native_stat" not work.
> In general, the portability hacks that postgres.h does for some platforms
> aren't reliable if any system headers have already been pulled in.
> 
> 			regards, tom lane

I don't think there is a reason to include libxml first.  Thanks for the
help.  I'll revise those to see if it fixes the issue without messing with
the Postgres include files.

Thanks,
Regina