jffs2: Update copyright notices

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/fs/jffs2/debug.h b/fs/jffs2/debug.h
index a113ecc..c4f8eef 100644
--- a/fs/jffs2/debug.h
+++ b/fs/jffs2/debug.h
@@ -2,6 +2,7 @@
  * JFFS2 -- Journalling Flash File System, Version 2.
  *
  * Copyright © 2001-2007 Red Hat, Inc.
+ * Copyright © 2004-2010 David Woodhouse <dwmw2@infradead.org>
  *
  * Created by David Woodhouse <dwmw2@infradead.org>
  *