Update all copyright dates, from 20xy-2010 to 20xy-2011.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12206 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/callgrind/sim.c b/callgrind/sim.c
index 17785d9..c1deff7 100644
--- a/callgrind/sim.c
+++ b/callgrind/sim.c
@@ -7,10 +7,10 @@
    This file is part of Callgrind, a Valgrind tool for call graph
    profiling programs.
 
-   Copyright (C) 2003-2010, Josef Weidendorfer (Josef.Weidendorfer@gmx.de)
+   Copyright (C) 2003-2011, Josef Weidendorfer (Josef.Weidendorfer@gmx.de)
 
    This tool is derived from and contains code from Cachegrind
-   Copyright (C) 2002-2010 Nicholas Nethercote (njn@valgrind.org)
+   Copyright (C) 2002-2011 Nicholas Nethercote (njn@valgrind.org)
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as