iptables:
	* enable iptables TTL target for all kernels

kernel 2.6.13.1/2.6.19.2
	* add netfilter TTL target
	* tested with Eumex300, W701V and 7270


git-svn-id: file:///var/svn/freetz/trunk@10794 149334a1-2f27-0410-a3b9-fc62619ac1e6