d/control: update again VCS URLs

The URL changed. Now instead of pkg-netfilter/pkg-netfilter, we have
pkg-netfilter/pkg-iptables.
Signed-off-by: Arturo Borrero Gonzalez <arturo@debian.org>

debian/control

@@ -16,8 +16,8 @@ Build-Depends: autoconf,
                libtool (>= 2.2.6)
 Standards-Version: 3.9.8
 Homepage: http://www.netfilter.org/
-Vcs-Git: https://anonscm.debian.org/git/pkg-netfilter/pkg-netfilter.git
-Vcs-Browser: https://anonscm.debian.org/git/pkg-netfilter/pkg-netfilter.git
+Vcs-Git: https://anonscm.debian.org/git/pkg-netfilter/pkg-iptables.git
+Vcs-Browser: https://anonscm.debian.org/git/pkg-netfilter/pkg-iptables.git
 
 Package: iptables
 Multi-Arch: foreign