if (cfg.close_on_exit)
if (cfg.close_on_exit == COE_ALWAYS)
void connection_fatal(char *fmt, ...) {    va_list ap;    char stuff[200];    va_start(ap, fmt);    vsprintf(stuff, fmt, ap);    va_end(ap);    MessageBox(hwnd, stuff, "PuTTY Fatal Error", MB_ICONERROR | MB_OK);    if (cfg.close_on_exit)        PostQuitMessage(1);    else {        session_closed = TRUE;        SetWindowText (hwnd, "PuTTY (inactive)");    }}