tools: import FacePersistency and FaceUri to nfdc namespace

refs #3864

Change-Id: I999fa2419f4d23368d924b536aee6f225017b570
diff --git a/tests/tools/nfdc/command-definition.t.cpp b/tests/tools/nfdc/command-definition.t.cpp
index bbefe81..3eab402 100644
--- a/tests/tools/nfdc/command-definition.t.cpp
+++ b/tests/tools/nfdc/command-definition.t.cpp
@@ -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,
@@ -24,9 +24,6 @@
  */
 
 #include "nfdc/command-definition.hpp"
-#include "nfdc/status-report.hpp"
-#include <ndn-cxx/encoding/nfd-constants.hpp>
-#include <ndn-cxx/util/face-uri.hpp>
 
 #include "tests/test-common.hpp"
 
@@ -37,9 +34,6 @@
 
 using namespace nfd::tests;
 
-using ndn::util::FaceUri;
-using ndn::nfd::FacePersistency;
-
 BOOST_AUTO_TEST_SUITE(Nfdc)
 BOOST_FIXTURE_TEST_SUITE(TestCommandDefinition, BaseFixture)