message: Tuple Algorithms: Use correct macro in tuple_for_each
  Fixes
diff: @@ -39,7 +39,7 @@ template <typename Tuple, typename F, std::size_t... Is>
  void tuple_for_each_impl(Tuple&& t, F&& f, index_sequence<Is...>)
  {
  auto l = { (f(std::get<Is>(t)), 0)... };
  - THRUST_UNUSED(l);
  + THRUST_UNUSED_VAR(l);
  }
  template <typename Tuple, typename F, std::size_t... Is>
  