[bug#68052] [PATCH 4/4] gnu: portmidi: Add variant portmidi-2 updated to release 2.0.4

[Maxim Cournoyer]

Hello Marco,

Marco Rimoldi <rimarko@libero.it> writes:

> Tested with package Frescobaldi. Other packages dependent on the old
> 217 version still need to be tested and updated so that it can be
> phased out.

Thank you!

[...]

Here also, we'll want a GNU ChangeLog commit message, but otherwise,
LGTM.

Could you send a v2 taking care of my review comments, for this commit
and the earlier ones?

-- 
Thanks,
Maxim