bug#49466: 28.0.50; C-<mouse-2> is undefined

[Eli Zaretskii]

> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: juri@linkov.net,  49466@debbugs.gnu.org
> Date: Fri, 09 Jul 2021 09:39:14 -0400
> 
> > Stefan, is there some way to make this auto-loaded?  That is, whenever
> > the user presses C-mouse-2, automatically load facemenu and show the
> > drop-down menu in facemenu-menu?  I tried autoloading the
> > facemenu-menu keymap like ispell and pcvs do, but that doesn't seem to
> > work, in the sense that pressing C-mouse-2 complains that the binding
> > is not a command.
> 
> The patch below works for me, should I push it?

Yes, please.