[IPV6]: Misc endianness annotations.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index a6472cb..0bf17a3 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -440,7 +440,7 @@
 	if (pref == ICMPV6_ROUTER_PREF_INVALID)
 		pref = ICMPV6_ROUTER_PREF_MEDIUM;
 
-	lifetime = htonl(rinfo->lifetime);
+	lifetime = ntohl(rinfo->lifetime);
 	if (lifetime == 0xffffffff) {
 		/* infinity */
 	} else if (lifetime > 0x7fffffff/HZ) {