test: fix Bullet/Lol quaternion conversions, they use [x y z w] whereas we use

the mathematician-friendly [w x y z].

test/Physics/LolBtPhysicsIntegration.h

@@ -29,8 +29,8 @@ namespace lol
 #define LOL2BT_VEC3(ELEMENT)	(*(btVector3*)(&(ELEMENT)))
 #define BT2LOL_VEC3(ELEMENT)	(*(lol::vec3*)(&(ELEMENT)))
 
-#define LOL2BT_QUAT(ELEMENT)	(*(btQuaternion*)(&(ELEMENT)))
-#define BT2LOL_QUAT(ELEMENT)	(*(lol::quat*)(&(ELEMENT)))
+#define LOL2BT_QUAT(ELEMENT)	btQuaternion((ELEMENT).x, (ELEMENT).y, (ELEMENT).z, (ELEMENT).w)
+#define BT2LOL_QUAT(ELEMENT)	lol::quat((ELEMENT).getW(), BT2LOL_VEC3((ELEMENT).getAxis())
 
 } /* namespace lol */