add mqttd-02 configure file

Guo Wenxue

2019-08-03 4bfa27c1bf195939d54159310c78e31ec01eba2f

 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;
}