update sht20.c

guowenxue

2021-11-03 c2c9e808120ec584603130c8d9f087ca0cf5e74f

 3rdparty/local/build.sh

@@ -31,6 +31,8 @@
            rm -rf ${dir}/${dir}*
        fi
    done

    rm -rf install
}

if [[ $# == 1 ]] && [[ $1 == "clean" ]] ; then