Update to box2d 2.4.1

src/modules/physics/box2d/Body.cpp

@@ -45,7 +45,7 @@ Body::Body(World *world, b2Vec2 p, Body::Type type)
 	udata->ref = nullptr;
 	b2BodyDef def;
 	def.position = Physics::scaleDown(p);
-	def.userData = (void *) udata;
+	def.userData = udata;
 	body = world->world->CreateBody(&def);
 	// Box2D body holds a reference to the love Body.
 	this->retain();
@@ -529,7 +529,7 @@ int Body::setUserData(lua_State *L)
 	if (udata == nullptr)
 	{
 		udata = new bodyudata();
-		body->SetUserData((void *) udata);
+		body->SetUserData(udata);
 	}
 
 	if(!udata->ref)

src/modules/physics/box2d/Fixture.cpp

@@ -45,7 +45,7 @@ Fixture::Fixture(Body *body, Shape *shape, float density)
 	udata->ref = nullptr;
 	b2FixtureDef def;
 	def.shape = shape->shape;
-	def.userData = (void *)udata;
+	def.userData = udata;
 	def.density = density;
 	fixture = body->body->CreateFixture(&def);
 	this->retain();
@@ -262,7 +262,7 @@ int Fixture::setUserData(lua_State *L)
 	if (udata == nullptr)
 	{
 		udata = new fixtureudata();
-		fixture->SetUserData((void *) udata);
+		fixture->SetUserData(udata);
 	}
 
 	if(!udata->ref)

src/modules/physics/box2d/Joint.cpp

@@ -202,7 +202,7 @@ int Joint::setUserData(lua_State *L)
 	if (udata == nullptr)
 	{
 		udata = new jointudata();
-		joint->SetUserData((void *) udata);
+		joint->SetUserData(udata);
 	}
 
 	if(!udata->ref)