Bug#978662: apertium-cy-en: autopkgtest failure

[Tino Didriksen]

This is a chicken-and-egg problem that should solve itself. New apertium
3.7.1 can't migrate until apertium-cy-en is fixed, but fixed apertium-cy-en
won't build correctly with existing apertium 3.6.1.

-- Tino Didriksen