[IPV6]: Remove unused code in ndisc_send_redirect().

This patches removes unused code in ndisc_send_redirect() method in
net/ipv6/ndisc.c.

Signed-off-by: Rami Rosen <ramirose@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 24e76ed..e7d8e74 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1407,7 +1407,6 @@
 	u8 *opt;
 	int rd_len;
 	int err;
-	int hlen;
 	u8 ha_buf[MAX_ADDR_LEN], *ha = NULL;
 
 	if (ipv6_get_lladdr(dev, &saddr_buf, IFA_F_TENTATIVE)) {
@@ -1476,8 +1475,6 @@
 		return;
 	}
 
-	hlen = 0;
-
 	skb_reserve(buff, LL_RESERVED_SPACE(dev));
 	ip6_nd_hdr(sk, buff, dev, &saddr_buf, &ipv6_hdr(skb)->saddr,
 		   IPPROTO_ICMPV6, len);