fix physics not reporting collisions only with terrain

diff --git a/OpenSim/Region/Physics/UbitOdePlugin/ODECharacter.cs b/OpenSim/Region/Physics/UbitOdePlugin/ODECharacter.cs
index 093bc3c..6e4e41f 100644
--- a/OpenSim/Region/Physics/UbitOdePlugin/ODECharacter.cs
+++ b/OpenSim/Region/Physics/UbitOdePlugin/ODECharacter.cs
@@ -1118,6 +1118,7 @@ namespace OpenSim.Region.Physics.OdePlugin
             if (CollisionEventsThisFrame == null)
                 CollisionEventsThisFrame = new CollisionEventUpdate();
             CollisionEventsThisFrame.AddCollider(CollidedWith, contact);
+            _parent_scene.AddCollisionEventReporting(this);
         }

         public void SendCollisions()