[Debian GNUstep maintainers] GNUstep libraries soname bump

[Yavor Doganov]

Adeodato Simó wrote:
> This transition is tied to the ffmpeg-debian transition via
> lynkeos.app.  I think it's a pity you can't start working on an
> otherwise very isolated transition because of that,

I have a fixed package ready, but would like to do more testing.  I'll
send a plea for sponsorship to -mentors tomorrow or latest on Tuesday.

> Uploading to experimental is fine,

IMHO it is always best to upload to experimental first.

(BTW, the GNUstep transition is also tied to the
libpoppler3->libpoppler4 transition via popplerkit.framework.)