Serious refactoring. Making forwarding strategy really modular
diff --git a/model/content-store/ccnx-content-store.cc b/model/content-store/ccnx-content-store.cc
index ccbf200..abbf9c3 100644
--- a/model/content-store/ccnx-content-store.cc
+++ b/model/content-store/ccnx-content-store.cc
@@ -58,7 +58,7 @@
//////////////////////////////////////////////////////////////////////
-CcnxContentStoreEntry::CcnxContentStoreEntry (Ptr<CcnxContentObjectHeader> header, Ptr<const Packet> packet)
+CcnxContentStoreEntry::CcnxContentStoreEntry (Ptr<const CcnxContentObjectHeader> header, Ptr<const Packet> packet)
: m_header (header)
, m_packet (packet->Copy ())
{