Adding more components to CCNx stack

diff --git a/model/ccnx.cc b/model/ccnx.cc
index 8a5e6d0..f54d1b0 100644
--- a/model/ccnx.cc
+++ b/model/ccnx.cc
@@ -21,6 +21,7 @@
 #include "ns3/assert.h" 
 #include "ns3/node.h" 
 #include "ns3/boolean.h"
+
 #include "ccnx.h"
 
 namespace ns3 {