Fix build

src/lua/lua_stack.cpp

@@ -24,6 +24,7 @@ bool LuaStack::is_matrix4x4(int i)
 	return device()->lua_environment()->is_matrix4x4((Matrix4x4*)lua_touserdata(L, i));
 }
 
+#if !CROWN_RELEASE
 void LuaStack::check_temporary(int i, const Vector3* p)
 {
 	LuaEnvironment* env = device()->lua_environment();
@@ -44,6 +45,7 @@ void LuaStack::check_temporary(int i, const Matrix4x4* p)
 	if (!is_pointer(i) || !env->is_matrix4x4(p))
 		luaL_typerror(L, i, "Matrix4x4");
 }
+#endif // !CROWN_RELEASE
 
 void LuaStack::push_vector2(const Vector2& v)
 {