Update copyright dates, to include 2015.  No functional change.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@15577 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/m_sparsewa.c b/coregrind/m_sparsewa.c
index 3f111c4..a8a845d 100644
--- a/coregrind/m_sparsewa.c
+++ b/coregrind/m_sparsewa.c
@@ -8,7 +8,7 @@
    This file is part of Valgrind, a dynamic binary instrumentation
    framework.
 
-   Copyright (C) 2008-2013 OpenWorks Ltd
+   Copyright (C) 2008-2015 OpenWorks Ltd
       info@open-works.co.uk
 
    This program is free software; you can redistribute it and/or