--- a/src/mobility/position-allocator.cc Mon Mar 10 00:27:53 2008 +0100 +++ b/src/mobility/position-allocator.cc Mon Mar 10 00:29:41 2008 +0100 @@ -73,6 +73,8 @@ return v; } +NS_OBJECT_ENSURE_REGISTERED (GridPositionAllocator); + TypeId GridPositionAllocator::GetTypeId (void) {