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/coregrind/pub_core_syscall.h b/coregrind/pub_core_syscall.h
index 6f2eb08..8774049 100644
--- a/coregrind/pub_core_syscall.h
+++ b/coregrind/pub_core_syscall.h
@@ -7,7 +7,7 @@
    This file is part of Valgrind, a dynamic binary instrumentation
    framework.
 
-   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