Bug#33618: multiple* packagess insist on dpkg upgrade

[Ian Jackson <ian@davenant.greenend.org.uk>]

Josip Rodin writes ("Bug#33618: multiple* packagess insist on dpkg upgrade"):
...
> dpkg --assert-working-epoch 2>&- || {
...
> This dpkg option was added in version 1.4.0.7, and dpkg in question was
> 1.4.0.23.2. I've now tried this option, it works normally with version
> 1.4.0.34. Of course, the svgalib-bin package installed flawlessly.
> 
> I think it's now way too late to be worrying about hamm's dpkg version,
> since it's obviously fixed in more current versions, and we don't support
> hamm anymore.

Hmm.  Very well.

I notice that the
 --assert-working-epoch
option was added in the NMU series, but not filed as a bug, so it
wasn't in my tree.

I've added it now (I've already fixed, I think, the bug that it refers
to).

Ian.