libhdfs++: EACCES not setting errno correctly

    case Status::Code::kPermissionDenied:
      if (!stat.ToString().empty())
        ReportError(EACCES, stat.ToString().c_str());
      else
        ReportError(EACCES, "Permission denied");
      break;

    case Status::Code::kPermissionDenied:
      errnum = EACCES;
      default_message = "Permission denied";
      break;