update mqttd for auto fill-in light and test ok

guowenxue

2019-07-31 8a0e43e2ba062b35f20ddcd83a7811a9e1a71786

 modules/c/ds18b20.c

@@ -32,7 +32,7 @@
                return 1;
        }

        printf("DS19B20 get temperature: %f ℃\n", temp);
        printf("DS18B20 get temperature: %f ℃\n", temp);
        return 0;
}