ipv6: fix display of local and remote sit endpoints

This fixes the regressions cause by
commit 1326c3d
(v2.6.28-rc6-461-g23a12b1) broke the display of local and remote
addresses of an SIT tunnel in iproute2.

nt->parms is used by ipip6_tunnel_init() and therefore need to be
initialized first.

Tracked as http://bugzilla.kernel.org/show_bug.cgi?id=12868

Reported-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv6/sit.c

@@ -188,9 +188,9 @@ static struct ip_tunnel * ipip6_tunnel_locate(struct net *net,
 	}
 
 	nt = netdev_priv(dev);
-	ipip6_tunnel_init(dev);
 
 	nt->parms = *parms;
+	ipip6_tunnel_init(dev);
 
 	if (parms->i_flags & SIT_ISATAP)
 		dev->priv_flags |= IFF_ISATAP;