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/callgrind/costs.c b/callgrind/costs.c
index 63256c7..5071170 100644
--- a/callgrind/costs.c
+++ b/callgrind/costs.c
@@ -6,7 +6,7 @@
/*
This file is part of Callgrind, a Valgrind tool for call tracing.
- Copyright (C) 2002-2013, Josef Weidendorfer (Josef.Weidendorfer@gmx.de)
+ Copyright (C) 2002-2015, Josef Weidendorfer (Josef.Weidendorfer@gmx.de)
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as