apertium-arg is marked for autoremoval from testing

[Debian testing autoremoval watch]

apertium-arg 0.1.2~r65494-1 is marked for autoremoval from testing on 2017-09-22

It (build-)depends on packages with these RC bugs:
871145: hfst: FTBFS: ./../include/fst/replace.h:1061:46: error: expected ';' before '::' token