message: made change suggested by which is objectively better EOSIO/eos#2042
diff: @@ -371,12 +371,8 @@ transaction_trace chain_controller::delayed_transaction_processing( const transa
  // TODO: update to better method post RC1?
  account_name payer;
  for(const auto& act : mtrx.trx().actions ) {
  - for (const auto& auth : act.authorization) {
  - payer = auth.actor;
  - break;
  - }
  -
  - if (!payer.empty()) {
  + if (act.authorization.size() > 0) {
  + payer = act.authorization.at(0).actor;
  break;
  }
  }
  