of a team to avoid confusion. It now also accepts a NULL session pointer in
which case the actual group's session doesn't matter.
* Fixed the race condition in send_signal_etc() that could allow accessing an
invalid team pointer.
* Jerome's earlier change already fixed bug #841, and this also fixed bug #855.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@18941 a95241bf-73f2-0310-859d-f6bbb57e9c96