Marked ChangingActorID in PECharacter constructor, so that PEScene.Simulate()

will catch the update (pos, etc) and trigger RouteUpdate.

OpenSim/Region/Physics/PEPlugin/PECharacter.cs

@@ -84,6 +84,7 @@ public class PECharacter : PhysicsActor
         _position = pos;
         _size = size;
         _density = density;
+        base.ChangingActorID = RegionSyncServerModule.ActorID;
         return;
     }