Update copyright dates to include 2012.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12843 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/exp-sgcheck/h_intercepts.c b/exp-sgcheck/h_intercepts.c
index 2a022ea..85ab279 100644
--- a/exp-sgcheck/h_intercepts.c
+++ b/exp-sgcheck/h_intercepts.c
@@ -7,7 +7,7 @@
    This file is part of Ptrcheck, a Valgrind tool for checking pointer
    use in programs.
 
-   Copyright (C) 2003-2011 Nicholas Nethercote
+   Copyright (C) 2003-2012 Nicholas Nethercote
       njn@valgrind.org
 
    This program is free software; you can redistribute it and/or