[PING][PATCH 3/4][Ada,DJGPP] Ada support for DJGPP

[Andris Pavenis]

I'd like to ping patch

https://gcc.gnu.org/ml/gcc-patches/2016-09/msg00164.html

Additional comments about using ZCX_By_Default := true are in

https://gcc.gnu.org/ml/gcc-patches/2016-09/msg00845.html

Andris