Properly parse and pass arbritary netmasks to iptables, this allows
specifying ranges like '::c23f:eff:fe7a:a094/::ffff:ffff:ffff:ffff' to
match the host part of an IPv6 address regardless of the currently active
IPv6 prefix.
Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>
SVN-Revision: 41760