From http://www.jwz.org/xscreensaver/xscreensaver-5.26.tar.gz
[xscreensaver] / OSX / icmp-warning.pl
2013-02-08 Zygo BlaxellFrom jwz.org/xscreensaver/xscreensaver-5.19.tar.gz
2013-02-08 Zygo BlaxellFrom jwz.org/xscreensaver/xscreensaver-5.17.tar.gz