util: move signal-*.* into util/signal/ directory
refs #3940
Change-Id: I36e3420846959f39bb51a3ce7ef7f03e7c2c22aa
diff --git a/src/util/signal.hpp b/src/util/signal.hpp
index cd36b5d..12f2247 100644
--- a/src/util/signal.hpp
+++ b/src/util/signal.hpp
@@ -1,6 +1,6 @@
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
-/**
- * Copyright (c) 2013-2014 Regents of the University of California.
+/*
+ * Copyright (c) 2013-2017 Regents of the University of California.
*
* This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
*
@@ -22,9 +22,9 @@
#ifndef NDN_UTIL_SIGNAL_HPP
#define NDN_UTIL_SIGNAL_HPP
-#include "signal-signal.hpp"
-#include "signal-emit.hpp"
-#include "signal-connection.hpp"
-#include "signal-scoped-connection.hpp"
+#include "signal/signal.hpp"
+#include "signal/emit.hpp"
+#include "signal/connection.hpp"
+#include "signal/scoped-connection.hpp"
#endif // NDN_UTIL_SIGNAL_HPP