model+examples: Small corrections with new PIT version, adding an example to use it
diff --git a/examples/wscript b/examples/wscript
index a962ffa..5d61417 100644
--- a/examples/wscript
+++ b/examples/wscript
@@ -6,10 +6,10 @@
 
     obj = bld.create_ns3_program('ndn-grid', ['ndnSIM', 'point-to-point-layout'])
     obj.source = 'ndn-grid.cc'
-    
+
     obj = bld.create_ns3_program('ndn-zipf-mandelbrot', ['ndnSIM', 'point-to-point-layout'])
     obj.source = 'ndn-zipf-mandelbrot.cc'
-    
+
 
     obj = bld.create_ns3_program('ndn-simple-with-content-freshness', ['ndnSIM'])
     obj.source = ['ndn-simple-with-content-freshness.cc',
@@ -41,3 +41,6 @@
 
         obj = bld.create_ns3_program('ndn-tree-app-delay-tracer', ['ndnSIM'])
         obj.source = 'ndn-tree-app-delay-tracer.cc'
+
+    obj = bld.create_ns3_program('ndn-simple-pit-policies', ['ndnSIM'])
+    obj.source = 'ndn-simple-pit-policies.cc'