Re: Adjust gtkutil.c to build with gcc (GCC) 11.2.1 with -Wanalyzer-null-argument

[Alexander Kuleshov]

On Wed, Sep 1, 2021 at 6:26 PM Eli Zaretskii <eliz@gnu.org> wrote:
>
> > From: Alexander Kuleshov <kuleshovmail@gmail.com>
> > Date: Wed, 1 Sep 2021 16:52:55 +0600
> >
> > gtkutil.c: In function ‘xg_item_label_same_p’:
> > gtkutil.c:2936:54: error: use of NULL where non-null expected
> > [CWE-476] [-Werror=analyzer-null-argument]
> >  2936 |                   && ((!old_label && !utf8_label) || strcmp
> > (utf8_label, old_label) == 0));
>
> Isn't this a GCC bug?

hmm, yes, possibly. And forget about attachment, I was wrong with
`(!old_label == !utf8_label) ||` part.