--- a/src/csma/examples/csma-ping.cc	Fri May 13 14:52:27 2011 -0400
+++ b/src/csma/examples/csma-ping.cc	Fri May 13 14:52:43 2011 -0400
@@ -121,7 +121,7 @@
                    MakeCallback (&PingRtt));
 
   Packet::EnablePrinting ();
-  
+
 
   NS_LOG_INFO ("Run Simulation.");
   Simulator::Run ();