iptables: add in-code warning about updates

/cc #12178.

+1 -1
+1 -1
pkgs/os-specific/linux/iptables/default.nix
··· 2 3 stdenv.mkDerivation rec { 4 name = "iptables-${version}"; 5 - version = "1.4.21"; 6 7 src = fetchurl { 8 url = "http://www.netfilter.org/projects/iptables/files/${name}.tar.bz2";
··· 2 3 stdenv.mkDerivation rec { 4 name = "iptables-${version}"; 5 + version = "1.4.21"; # before updating check #12178 6 7 src = fetchurl { 8 url = "http://www.netfilter.org/projects/iptables/files/${name}.tar.bz2";