misc: fix build error in handoffdemo

fix to pass right arguments to vlib_buffer_enqueue_to_thread

Type: fix

Signed-off-by: Sivaprasad Tummala <Sivaprasad.Tummala@intel.com>
Change-Id: I2521ac8d33135843263e8f99318988ec78effbaa
diff --git a/src/examples/handoffdemo/node.c b/src/examples/handoffdemo/node.c
index 2177ccb..ce15f70 100644
--- a/src/examples/handoffdemo/node.c
+++ b/src/examples/handoffdemo/node.c
@@ -107,10 +107,9 @@
 	}
 
       /* Enqueue buffers to threads */
-      n_enq =
-	vlib_buffer_enqueue_to_thread (vm, hmp->frame_queue_index,
-				       from, thread_indices, frame->n_vectors,
-				       1 /* drop on congestion */ );
+      n_enq = vlib_buffer_enqueue_to_thread (
+	vm, node, hmp->frame_queue_index, from, thread_indices,
+	frame->n_vectors, 1 /* drop on congestion */);
       if (n_enq < frame->n_vectors)
 	vlib_node_increment_counter (vm, node->node_index,
 				     HANDOFFDEMO_ERROR_CONGESTION_DROP,