fix the case where no user, or no node, was in the slice yet
authorThierry Parmentelat <thierry.parmentelat@sophia.inria.fr>
Mon, 25 May 2009 13:57:18 +0000 (13:57 +0000)
committerThierry Parmentelat <thierry.parmentelat@sophia.inria.fr>
Mon, 25 May 2009 13:57:18 +0000 (13:57 +0000)

No differences found