bug#52376: 28.0.90; libdir is missing from native-comp-eln-load-path with GTK3 build

[Eli Zaretskii]

> From: Andrea Corallo <akrl@sdf.org>
> Date: Fri, 10 Dec 2021 09:45:20 +0000
> Cc: 52376@debbugs.gnu.org
> 
> >>            if (file_access_p (fndata, F_OK))
> >
> > In my case that line is at pdumper.c:5319
> 
> Maybe that was the reason?

I don't think so: 5319 is correct for the version distributed with the
pretest tarball.  You, Andrea, are probably looking at the current
emacs-28 branch or some other version.