message: contracts: Fix OZ-N-01 ETH can be stolen
diff: @@ -175,6 +175,7 @@ contract L2StandardBridge is StandardBridge {
  ) internal {
  address l1Token = OptimismMintableERC20(_l2Token).l1Token();
  if (_l2Token == Lib_PredeployAddresses.OVM_ETH) {
  + require(msg.value == _amount, "ETH withdrawals must include sufficient ETH value.");
  _initiateBridgeETH(_from, _to, _amount, _minGasLimit, _data);
  } else {
  _initiateBridgeERC20(_l2Token, l1Token, _from, _to, _amount, _minGasLimit, _data);
  