$OpenBSD: patch-src_physics_btKartRaycast_cpp,v 1.1 2013/11/29 13:21:09 pascal Exp $
--- src/physics/btKartRaycast.cpp.orig	Thu Nov 28 13:54:03 2013
+++ src/physics/btKartRaycast.cpp	Thu Nov 28 17:18:36 2013
@@ -63,7 +63,7 @@ void* btKartRaycaster::castRay(const btVector3& from, 
 
     if (rayCallback.hasHit())
     {
-        btRigidBody* body = btRigidBody::upcast(rayCallback.m_collisionObject);
+        btRigidBody* body = const_cast<btRigidBody*>(btRigidBody::upcast(rayCallback.m_collisionObject));
         if (body && body->hasContactResponse())
         {
             result.m_hitPointInWorld = rayCallback.m_hitPointWorld;
