--- a/routingTreeNode.cpp.orig	2018-03-27 19:30:45.345569478 +0300
+++ b/routingTreeNode.cpp	2018-03-27 19:30:53.217662424 +0300
@@ -44,6 +44,7 @@
  */
 
 #include "routingTreeNode.h"
+#include <iostream>
 
 RoutingTreeNode::RoutingTreeNode():mux_(0),valid_(false)
 {