l3xc: skip load balancing if not multipath

Type: improvement

Change-Id: I3d8e1c7a83530bbc4b1751358ad7d034476ff13f
Signed-off-by: Benoît Ganne <bganne@cisco.com>
diff --git a/src/plugins/l3xc/l3xc.c b/src/plugins/l3xc/l3xc.c
index ac0e4cf..021a850 100644
--- a/src/plugins/l3xc/l3xc.c
+++ b/src/plugins/l3xc/l3xc.c
@@ -67,11 +67,11 @@
    */
   dpo_id_t via_dpo = DPO_INVALID;
 
-  fib_path_list_contribute_forwarding (l3xc->l3xc_pl,
-				       (FIB_PROTOCOL_IP4 == l3xc->l3xc_proto ?
-					FIB_FORW_CHAIN_TYPE_UNICAST_IP4 :
-					FIB_FORW_CHAIN_TYPE_UNICAST_IP6),
-				       FIB_PATH_LIST_FWD_FLAG_NONE, &via_dpo);
+  fib_path_list_contribute_forwarding (
+    l3xc->l3xc_pl,
+    (FIB_PROTOCOL_IP4 == l3xc->l3xc_proto ? FIB_FORW_CHAIN_TYPE_UNICAST_IP4 :
+					    FIB_FORW_CHAIN_TYPE_UNICAST_IP6),
+    FIB_PATH_LIST_FWD_FLAG_COLLAPSE, &via_dpo);
 
   dpo_stack_from_node ((FIB_PROTOCOL_IP4 == l3xc->l3xc_proto ?
 			l3xc_ip4_node.index :