--- a/src/buildings/helper/buildings-helper.h	Wed Feb 08 11:33:26 2012 +0100
+++ b/src/buildings/helper/buildings-helper.h	Wed Feb 08 13:42:00 2012 +0100
@@ -25,15 +25,18 @@
 #include <ns3/attribute.h>
 #include <ns3/object-factory.h>
 #include <ns3/node-container.h>
+#include <ns3/ptr.h>
 
 
 namespace ns3 {
 
+class BuildingsMobilityModel;
 
 class BuildingsHelper
 {
 public:  
   static void MakeMobilityModelConsistent ();
+  static void MakeConsistent (Ptr<BuildingsMobilityModel> bmm);
   
 };