bug#55386: 29.0.50; check-declare-directory doesn't work on Windows

[Po Lu]

Eli Zaretskii <eliz@gnu.org> writes:

>   lisp/frame.el:1996:Warning (check-declare): said ‘pgtk-frame-list-z-order’ 
> was
>       defined in src/pgtkfns.c: function not found
>
>   lisp/term/pgtk-win.el:48:Warning (check-declare): said ‘pgtk-hide-emacs’ was
>       defined in src/pgtkfns.c: function not found
>
> Those functions indeed don't exist, AFAICT, but they _are_ called from
> Lisp.  Po Lu, can you please DTRT there?

Those are copy-paste errors from when the Lisp part of the PGTK port was
first written by blindly copying code from the NS port that doesn't
really apply.  (The original author of the PGTK port is probably the
only person who knows why that happened.)  I will delete them.

Thanks.