Remove unsed parameter from fib_table_entry_special_add() (only used in FIB tests). The DPO was incorrectly initialised with FIB_PROTO_MAX

Change-Id: I962df9e162e4dfb6837a5ce79ea795d5ff2d7315
Signed-off-by: Neale Ranns <nranns@cisco.com>
diff --git a/src/vnet/vxlan/vxlan.c b/src/vnet/vxlan/vxlan.c
index 61cb13c..1b3df2a 100644
--- a/src/vnet/vxlan/vxlan.c
+++ b/src/vnet/vxlan/vxlan.c
@@ -486,7 +486,7 @@
           vtep_addr_ref(&t->src);
           t->fib_entry_index = fib_table_entry_special_add
             (t->encap_fib_index, &tun_dst_pfx, FIB_SOURCE_RR,
-	     FIB_ENTRY_FLAG_NONE, ADJ_INDEX_INVALID);
+	     FIB_ENTRY_FLAG_NONE);
           t->sibling_index = fib_entry_child_add
             (t->fib_entry_index, FIB_NODE_TYPE_VXLAN_TUNNEL, t - vxm->tunnels);
           vxlan_tunnel_restack_dpo(t);