Updated copyright dates for 2004.  Also added a couple of missing headers and
footers to some new files.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@2177 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/memcheck/mc_errcontext.c b/memcheck/mc_errcontext.c
index 5542581..70e2057 100644
--- a/memcheck/mc_errcontext.c
+++ b/memcheck/mc_errcontext.c
@@ -8,7 +8,7 @@
    This file is part of MemCheck, a heavyweight Valgrind tool for
    detecting memory errors.
 
-   Copyright (C) 2000-2003 Julian Seward 
+   Copyright (C) 2000-2004 Julian Seward 
       jseward@acm.org
 
    This program is free software; you can redistribute it and/or