face: add missing includes

Change-Id: I2d855f71310e824205d37d892749c3eab9f5b3c3
diff --git a/tests/daemon/fw/pit-token.t.cpp b/tests/daemon/fw/pit-token.t.cpp
index 1bf6968..9e2e1d6 100644
--- a/tests/daemon/fw/pit-token.t.cpp
+++ b/tests/daemon/fw/pit-token.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2022,  Regents of the University of California,
+ * Copyright (c) 2014-2023,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -26,6 +26,7 @@
 #include "tests/daemon/global-io-fixture.hpp"
 #include "topology-tester.hpp"
 
+#include <ndn-cxx/lp/fields.hpp>
 #include <ndn-cxx/lp/packet.hpp>
 #include <ndn-cxx/lp/pit-token.hpp>