set XATTR_SIZE_MAX and XATTR_LIST_MAX in cygwin/limits.h

[Philippe Cerfon]

Hey Marco.

On Fri, Dec 22, 2023 at 5:46 AM Marco Atzeri <marco.atzeri@gmail.com> wrote:
> I am trying to backport on 3.9.18 for Cygwin

Great to hear!

I think it should be fairly easy. The only thing really needed on the
CPython side is USE_XATTRS being defined.

Regards,
Philippe