ARP proxy dumps

Change-Id: I8335ebf266becf2f42bb3f28a17dfed8d9b08f97
Signed-off-by: Neale Ranns <nranns@cisco.com>
diff --git a/src/vnet/adj/adj_glean.c b/src/vnet/adj/adj_glean.c
index 41bc4c9..74881d7 100644
--- a/src/vnet/adj/adj_glean.c
+++ b/src/vnet/adj/adj_glean.c
@@ -173,12 +173,14 @@
  * @brief Invoked on each SW interface of a HW interface when the
  * HW interface state changes
  */
-static void
+static walk_rc_t
 adj_nbr_hw_sw_interface_state_change (vnet_main_t * vnm,
                                       u32 sw_if_index,
                                       void *arg)
 {
     adj_glean_interface_state_change(vnm, sw_if_index, (uword) arg);
+
+    return (WALK_CONTINUE);
 }
 
 /**