update 3rdparty local build shell script

guowenxue

2021-08-17 d634817310a7186e9a84a65bb135d850d0adee17

 3rdparty/local/build.sh

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

    rm -rf install
}

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