* freebsd4/{usr.bin/fetch, lib/libftpio}: support IPv6.   From: ume@mahoroba.org
* freebsd4/{usr.bin/fetch, lib/libftpio}: support IPv6.
  From: ume@mahoroba.org

MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame