src: Update copyright notices for files modified in 2015

refs: #2398

Change-Id: I83b7ad4da70cf784aa478295a873bf6411428acb
diff --git a/src/communication/sync-logic-handler.hpp b/src/communication/sync-logic-handler.hpp
index 6f0726c..faa8e54 100644
--- a/src/communication/sync-logic-handler.hpp
+++ b/src/communication/sync-logic-handler.hpp
@@ -1,7 +1,8 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2014  University of Memphis,
- *                     Regents of the University of California
+ * Copyright (c) 2014-2015,  The University of Memphis,
+ *                           Regents of the University of California,
+ *                           Arizona Board of Regents.
  *
  * This file is part of NLSR (Named-data Link State Routing).
  * See AUTHORS.md for complete list of NLSR authors and contributors.
@@ -15,9 +16,9 @@
  * PURPOSE.  See the GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License along with
- * NLSR, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>
- *
+ * NLSR, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
  **/
+
 #ifndef NLSR_SYNC_LOGIC_HANDLER_HPP
 #define NLSR_SYNC_LOGIC_HANDLER_HPP