update ds18b20.c to snprintf

Guo Wenxue

2022-09-22 732d1963ed83abf4e5f1b06ec451a6943421d716

 lightd/hal/hal.c

@@ -63,6 +63,13 @@
    {
   s_infrared_lines = gpiod_chip_get_line(s_chip, ctx->infrared_pin);
   gpiod_line_request_rising_edge_events(s_infrared_lines, "infrared");
   log_err("infrared GPIO input lines request for rising edge event ok\n");
    }

    if( tsl2561_init()< 0 )
    {
   log_err("LUX sensor TSL2561 initialise failure\n");
   return -2;
    }