security: using new security interfaces of ndn-cpp, such as SecPolicy

Change-Id: Id22c8e711bee7c3723076eda7a3f96c72ca7707c
diff --git a/src/addcontactpanel.h b/src/addcontactpanel.h
index 4ecf3bd..2264b9e 100644
--- a/src/addcontactpanel.h
+++ b/src/addcontactpanel.h
@@ -84,6 +84,7 @@
   newContactAdded();
 
 private:
+
   Ui::AddContactPanel *ui;
   ndn::Name m_searchIdentity;
   ndn::ptr_lib::shared_ptr<ContactManager> m_contactManager;