Upload radvd 1.7 to Natty

[Mathieu Trudel-Lapierre]

Binary package hint: radvd

radvd 1.7 is available upstream, and contains a number of useful fixes.

Furthermore, radvd 1.6 segfaults on receiving an RA request even with a very simple configuration, e.g.:

===
interface eth1
{
   AdvSendAdvert on;

   prefix 2002:0240:dead:beef::/64
   {
       AdvRouterAddr on;
   };
};

interface eth0 { };
===

[Mathieu Trudel-Lapierre (cyphermox)]

I'll take care of preparing the updated package myself.

[Mathieu Trudel-Lapierre (cyphermox)]

Seems this already made it from Debian, marking Fix Released.