message: fix build error for gcc9
diff: @@ -22,7 +22,7 @@ auto accumu_use_check = [](const Node* add_node, const Value* accumu_value) {
  // add
  // output = op_output + alpha*Y
  auto fuse_add_filter_v1 =
  - [&](const Match& match,
  + [](const Match& match,
  const std::unordered_map<std::string, Value*>& vmap) {
  auto accumu = match.values_map.at(vmap.at("accumu"));
  auto add_node = match.values_map.at(vmap.at("res"))->node();
  @@ -59,7 +59,7 @@ auto fuse_add_filter_v1 =
  // add
  // output = Y + alpha*op_output
  auto fuse_add_filter_v2 =
  - [&](const Match& match,
  + [](const Match& match,
  const std::unordered_map<std::string, Value*>& vmap) {
  auto accumu = match.values_map.at(vmap.at("accumu"));
  auto add_node = match.values_map.at(vmap.at("res"))->node();
  