Update copyright dates to include 2012.


git-svn-id: svn://svn.valgrind.org/vex/trunk@2460 8f6e269a-dfd6-0310-a8e1-e2731360e62c
diff --git a/test_main.c b/test_main.c
index f443580..0a583c9 100644
--- a/test_main.c
+++ b/test_main.c
@@ -7,7 +7,7 @@
    This file is part of Valgrind, a dynamic binary instrumentation
    framework.
 
-   Copyright (C) 2004-2011 OpenWorks LLP
+   Copyright (C) 2004-2012 OpenWorks LLP
       info@open-works.net
 
    This program is free software; you can redistribute it and/or
@@ -476,7 +476,7 @@
    This file is part of MemCheck, a heavyweight Valgrind tool for
    detecting memory errors.
 
-   Copyright (C) 2000-2011 Julian Seward 
+   Copyright (C) 2000-2012 Julian Seward 
       jseward@acm.org
 
    This program is free software; you can redistribute it and/or