tcp: handle link-local addresses

Change-Id: I9ede6bc861350c7d9e78fa4d96cd584c2816d06f
Signed-off-by: Florin Coras <fcoras@cisco.com>
diff --git a/src/vnet/adj/adj_nbr.c b/src/vnet/adj/adj_nbr.c
index 29cd812..eff7d4c 100644
--- a/src/vnet/adj/adj_nbr.c
+++ b/src/vnet/adj/adj_nbr.c
@@ -93,7 +93,7 @@
     BV(clib_bihash_add_del) (adj_nbr_tables[nh_proto][sw_if_index], &kv, 0);
 }
 
-static adj_index_t
+adj_index_t
 adj_nbr_find (fib_protocol_t nh_proto,
 	      vnet_link_t link_type,
 	      const ip46_address_t *nh_addr,