src: Update copyright notices for files modified in 2015
Change-Id: I44133f166a90e26887c1db8972aae651cdb72f01
Refs: #2352
diff --git a/src/util/signal-signal.hpp b/src/util/signal-signal.hpp
index 7f91e15..cb9c0c4 100644
--- a/src/util/signal-signal.hpp
+++ b/src/util/signal-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) 2013-2015 Regents of the University of California.
*
* This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
*