removed unsused variable

    int m_socketFileDescriptor = -1;

    int m_Errno = 0;

    bool m_IsOpening = false;

    bool m_DirectIO = false;

    /* if filename is very lomg, we can get lout from array boundaries */

    char request_template[128] = "GET %s HTTP/1.1\r\nHost: %s\r\nRange: bytes=%d-%d\r\n\r\n";

    std::string m_hostname = "localhost";