tests+tools: add missing includes

Change-Id: I29d9d265cb72c43edc4dbfd44261da823090bc10
diff --git a/tests/daemon/mgmt/face-manager.t.cpp b/tests/daemon/mgmt/face-manager.t.cpp
index ccf7175..9e4228b 100644
--- a/tests/daemon/mgmt/face-manager.t.cpp
+++ b/tests/daemon/mgmt/face-manager.t.cpp
@@ -32,6 +32,7 @@
 #include "../face/dummy-transport.hpp"
 
 #include <ndn-cxx/encoding/tlv.hpp>
+#include <ndn-cxx/encoding/tlv-nfd.hpp>
 #include <ndn-cxx/mgmt/nfd/channel-status.hpp>
 #include <ndn-cxx/mgmt/nfd/face-event-notification.hpp>