message: Kill compiler warning
diff: @@ -72,7 +72,7 @@ namespace eosio {
  buf.resize( size );
  size = ::get_action(type, index, &buf[0], size );
  eosio_assert( size > 0, "get_action failed" );
  - return eosio::unpack<eosio::action>(&buf[0], size);
  + return eosio::unpack<eosio::action>(&buf[0], static_cast<size_t>(size));
  }
  ///@} transactioncpp api
  