update setup_wiringPi shell

guowenxue

2019-07-31 fa05fe6bfd8ceab1082249fd7b41fb3a0e6693cd

 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;
}