tcp: fix v6 ll lookup fib

Type: fix

Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: Ie4b2bca3b6b0ca6097152aab232991ca7935e442
diff --git a/src/vnet/tcp/tcp_inlines.h b/src/vnet/tcp/tcp_inlines.h
index 2281cd3..cb18860 100644
--- a/src/vnet/tcp/tcp_inlines.h
+++ b/src/vnet/tcp/tcp_inlines.h
@@ -286,7 +286,7 @@
 	  if (PREDICT_FALSE
 	      (ip6_address_is_link_local_unicast (&ip6->dst_address)))
 	    {
-	      ip4_main_t *im = &ip4_main;
+	      ip6_main_t *im = &ip6_main;
 	      fib_index = vec_elt (im->fib_index_by_sw_if_index,
 				   vnet_buffer (b)->sw_if_index[VLIB_RX]);
 	    }