tools: import FacePersistency and FaceUri to nfdc namespace

refs #3864

Change-Id: I999fa2419f4d23368d924b536aee6f225017b570
diff --git a/tools/nfdc/command-arguments.hpp b/tools/nfdc/command-arguments.hpp
index 5bf9414..b3175d5 100644
--- a/tools/nfdc/command-arguments.hpp
+++ b/tools/nfdc/command-arguments.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2014-2016,  Regents of the University of California,
+ * Copyright (c) 2014-2017,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -27,12 +27,18 @@
 #define NFD_TOOLS_NFDC_COMMAND_ARGUMENTS_HPP
 
 #include "core/common.hpp"
+#include "status-report.hpp"
+#include <ndn-cxx/encoding/nfd-constants.hpp>
+#include <ndn-cxx/util/face-uri.hpp>
 #include <boost/any.hpp>
 
 namespace nfd {
 namespace tools {
 namespace nfdc {
 
+using ndn::nfd::FacePersistency;
+using ndn::util::FaceUri;
+
 /** \brief contains named command arguments
  */
 class CommandArguments : public std::map<std::string, boost::any>