Update copyright dates (20XY-2012 ==> 20XY-2013)


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13658 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/memcheck/mc_include.h b/memcheck/mc_include.h
index a1c9a3d..012f539 100644
--- a/memcheck/mc_include.h
+++ b/memcheck/mc_include.h
@@ -8,7 +8,7 @@
    This file is part of MemCheck, a heavyweight Valgrind tool for
    detecting memory errors.
 
-   Copyright (C) 2000-2012 Julian Seward 
+   Copyright (C) 2000-2013 Julian Seward 
       jseward@acm.org
 
    This program is free software; you can redistribute it and/or