haskell-gnuidn is marked for autoremoval from testing

[Debian testing autoremoval watch]

haskell-gnuidn 0.2.2-4 is marked for autoremoval from testing on 2017-10-10

It (build-)depends on packages with these RC bugs:
873069: haskell-language-c: haskell-language-c needs fix for gcc 7 on i386