bug#35370: notmuch-emacs: avoiding deprecated message-default-charset

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi at gnus.org>
> Cc: Noam Postavsky <npostavs at gmail.com>,  david at tethera.net,  notmuch at notmuchmail.org,  dkg at fifthhorseman.net,  35370 at debbugs.gnu.org
> Date: Thu, 09 May 2019 14:33:15 -0400
> 
> Eli Zaretskii <eliz at gnu.org> writes:
> 
> > I think so, but I'd be happier if someone from the Gnus folks could
> > eyeball this patch.
> >
> > Lars, any comments/objections?
> 
> I think the patch looks OK -- it'll change the behaviour if you have
> set enable-multibyte-characters to nil, but...  does anybody do that?

If they do, it's their funeral.

Noam, please go ahead, and thanks.