First step in reimplementing CcnxPit. Everything is broken as of right now
diff --git a/model/ccnx-forwarding-strategy.cc b/model/ccnx-forwarding-strategy.cc
index 4983860..414e200 100644
--- a/model/ccnx-forwarding-strategy.cc
+++ b/model/ccnx-forwarding-strategy.cc
@@ -118,7 +118,7 @@
           continue;
         }
 
-      m_pit->modify (m_pit->iterator_to (pitEntry),
+      m_pit->modify (pitEntry,
                      ll::bind (&CcnxPitEntry::AddOutgoing, ll::_1, metricFace.m_face));
 
       Ptr<Packet> packetToSend = packet->Copy ();