bug#50009: 28.0.50; add CRLF to outgoing ERC protocol logger lines

[Eli Zaretskii]

> From: Richard Stallman <rms@gnu.org>
> Date: Thu, 16 Sep 2021 20:13:56 -0400
> Cc: 50009@debbugs.gnu.org, bandali@gnu.org, jp@neverwas.me
> 
> Can a PR-based workflow be made to operate via email, in a way that
> doesn't require a net connection?  (Except, at some later time, for
> committing a change.)  That is a requisite for us.

As I said, we should NOT discuss these matters in an unrelated bug
report.

Our prerequisite is not to have the PR workflow work via email, it is
that the maintainer's part of the workflow could be done via email.