Fix: change copyright year in workqueue and thread tests

Signed-off-by: David Goulet <dgoulet@ev0ke.net>

src/test/test_threads.c

@@ -1,6 +1,6 @@
 /* Copyright (c) 2001-2004, Roger Dingledine.
  * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
- * Copyright (c) 2007-2013, The Tor Project, Inc. */
+ * Copyright (c) 2007-2015, The Tor Project, Inc. */
 /* See LICENSE for licensing information */
 
 #include "orconfig.h"

src/test/test_workqueue.c

@@ -1,6 +1,6 @@
 /* Copyright (c) 2001-2004, Roger Dingledine.
  * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
- * Copyright (c) 2007-2013, The Tor Project, Inc. */
+ * Copyright (c) 2007-2015, The Tor Project, Inc. */
 /* See LICENSE for licensing information */
 
 #include "or.h"