Make openWRT出現util-linux-2.24.1.tar.xz錯誤

Make openWRT出現底下錯誤，無法下載util-linux-2.24.1.tar.xz

/home/victor/Workspace/openwrt-sdk/scripts/download.pl "/home/victor/Workspace/openwrt-sdk/dl" "util-linux-2.24.1.tar.xz" "88d46ae23ca599ac5af9cf96b531590f" "@KERNEL/linux/utils/util-linux/v2.24"
--2017-11-22 17:03:38--  ftp://ftp.all.kernel.org/pub/linux/utils/util-linux/v2.24/util-linux-2.24.1.tar.xz
           => '-'
Resolving ftp.all.kernel.org (ftp.all.kernel.org)... failed: Name or service not known.
wget: unable to resolve host address 'ftp.all.kernel.org'
Download failed.

因下載位置已改變，修改download.pl描述的下載路徑，
由
push @mirrors, "http://ftp.all.kernel.org/pub/$dir";
改為
push @mirrors, "http://www.kernel.org/pub/$dir";