fw: FaceTable signals use Face& instead of shared_ptr

refs #3205

Change-Id: I53ecd0d6a13d379eb1dfb872041bdde8501f05e7
diff --git a/daemon/mgmt/face-manager.hpp b/daemon/mgmt/face-manager.hpp
index aa0c05d..ec0af92 100644
--- a/daemon/mgmt/face-manager.hpp
+++ b/daemon/mgmt/face-manager.hpp
@@ -121,12 +121,10 @@
 
 private: // NotificationStream
   void
-  afterFaceAdded(shared_ptr<Face> face,
-                 const ndn::mgmt::PostNotification& post);
+  notifyAddFace(const Face& face);
 
   void
-  afterFaceRemoved(shared_ptr<Face> face,
-                   const ndn::mgmt::PostNotification& post);
+  notifyRemoveFace(const Face& face);
 
 private: // configuration
   void
@@ -155,6 +153,7 @@
 
 private:
   FaceTable& m_faceTable;
+  ndn::mgmt::PostNotification m_postNotification;
   signal::ScopedConnection m_faceAddConn;
   signal::ScopedConnection m_faceRemoveConn;
 };