group: make dns optional.
authorRaphaël Barrois <raphael.barrois@polytechnique.org>
Sat, 2 Feb 2013 11:52:11 +0000 (12:52 +0100)
committerRaphaël Barrois <raphael.barrois@polytechnique.org>
Sat, 2 Feb 2013 11:52:11 +0000 (12:52 +0100)
Signed-off-by: Raphaël Barrois <raphael.barrois@polytechnique.org>

No differences found