Bug#1086275: hypre: FTBFS: failing tests

[Drew Parsons]

Source: hypre
Followup-For: Bug #1086275
Control: tags -1 ftbfs

> There are still failures like
> https://ci.debian.net/packages/s/superlu-dist/testing/amd64/53986621/
> which are a mystery to us (Francesco and Drew).
> Not sure from where the libmpi_cxx.so.40 dependency is coming in, and
> I can't replicate it in my local build and test.
> (libmpi_cxx.so.40 was removed as part of the openmpi 5 transition).

It's coming from combblas.