Upgrade underlying NFD/ndn-cxx to version 0.6.5

Change-Id: If83629472f737c017bbd9109fe814a5d5ecc44d4
diff --git a/model/ndn-l3-protocol.hpp b/model/ndn-l3-protocol.hpp
index c3619aa..e5169af 100644
--- a/model/ndn-l3-protocol.hpp
+++ b/model/ndn-l3-protocol.hpp
@@ -43,6 +43,9 @@
 namespace cs {
 class Policy;
 } // namespace cs
+namespace rib {
+class Service;
+}
 } // namespace nfd
 
 namespace ns3 {
@@ -108,11 +111,14 @@
   getFibManager();
 
   /**
-   * \brief Get smart pointer to nfd::StrategyChoiceManager, used by node's NFD
+   * \brief Get nfd::StrategyChoiceManager, used by node's NFD
    */
-  shared_ptr<nfd::StrategyChoiceManager>
+  nfd::StrategyChoiceManager&
   getStrategyChoiceManager();
 
+  ::nfd::rib::Service&
+  getRibService();
+
   /**
    * \brief Add face to NDN stack
    *