Bug#996895: hypre: autopkgtest regression on armhf and i386

[Drew Parsons]

Source: hypre
Followup-For: Bug #996895

The changelog for 2.22.1-1exp1 gives a clue,

"provide 64-bit only on arches where libblas64-dev, liblapack64-dev
are available"

Looks like debian/tests didn't receive the memo...