diff -r cb77c96e6149 -r cb427d45a011 src/helper/mobility-helper.cc
--- a/src/helper/mobility-helper.cc	Tue Apr 08 23:12:19 2008 -0700
+++ b/src/helper/mobility-helper.cc	Wed Apr 09 09:08:54 2008 -0700
@@ -35,6 +35,8 @@
 								   "Y", ConstantVariable (0.0));
   m_mobility.SetTypeId ("ns3::StaticMobilityModel");
 }
+MobilityHelper::~MobilityHelper ()
+{}
 void 
 MobilityHelper::EnableNotifier (void)
 {