- m_answer = GetOpenTag() + "<version value=\"" + SERVER_VERSION + "\"/>" +
- "<tariff_num value=\"" + x2str(m_tariffs.Count()) + "\"/>" +
+ m_answer = std::string("<ServerInfo><version value=\"") + SERVER_VERSION + "\"/>" +
+ "<tariff_num value=\"" + std::to_string(m_tariffs.Count()) + "\"/>" +