issue moved into the issue tracker on github

Signed-off-by: Mattias Andrée <maandree@operamail.com>
since it cannot modify the gamma on hurd's tty (which we know because drm has not been implement on hurd yet) and X is unstable on hurd (and could probably not modify the gamma ramps yet anyway) we know that it is not working on hurd.

Signed-off-by: Mattias Andrée <maandree@operamail.com>