iptables: override broken symlinks, fixes issue #34.

srcpkgs/iptables/template

@@ -1,6 +1,7 @@
 # Template file for 'iptables'
 pkgname=iptables
 version=1.4.11
+revision=1
 distfiles="http://www.iptables.org/projects/iptables/files/$pkgname-$version.tar.bz2"
 build_style=custom-install
 short_desc="Linux IPv[46] packet filtering ruleset"
@@ -56,4 +57,11 @@ do_install()
 		vinstall ${f} 644 etc/iptables
 	done
 	vmkdir var/lib/iptables
+
+	# Override wrong symlinks from xtables_multi.
+	for f in iptables iptables-restore iptables-save ip6tables \
+		ip6tables-restore ip6tables-save; do
+		ln -sf /sbin/xtables-multi ${DESTDIR}/sbin/${f}
+	done
+	ln -sf /sbin/xtables-multi ${DESTDIR}/usr/bin/iptables-xml
 }