Summary:
Fixed distcheck for Eolian C++. Made the generated files as
nodist so it doesn't get picked up for generation way too
early.
Reviewers: cedric, seoz
CC: cedric
Maniphest Tasks: T1220
Differential Revision: https://phab.enlightenment.org/D820
Signed-off-by: Cedric Bail <cedric.bail@free.fr>