Update wscript

Author: Amit-Patel

Diff for: src/internet/examples/wscript

@@ -26,4 +26,8 @@ def build(bld):
 
     obj = bld.create_ns3_program('ipv4-dynamic-nat-example',
                                  ['network', 'internet', 'applications','point-to-point','csma'])
-    obj.source = 'ipv4-dynamic-nat-example.cc'
+    obj.source = 'ipv4-dynamic-nat-example.cc'
+    
+    obj = bld.create_ns3_program('nat64example',
+                                 ['network', 'internet', 'applications','point-to-point','csma'])
+    obj.source = 'nat64example.cc'