bug#44743: native-comp: confirm-exit-emacs warns about active processes when compiling

[Eli Zaretskii]

> From: Stefan Kangas <stefan@marxist.se>
> Date: Fri, 26 Feb 2021 11:26:15 -0600
> Cc: larsi@gnus.org, 44743@debbugs.gnu.org
> 
> Andrea Corallo <akrl@sdf.org> writes:
> 
> >> Btw, all the defcustom's in comp.el will need to have the :version
> >> tag.  But we can leave this for later.
> >
> > Okay
> 
> I've tagged them up.

Thanks!