jffs2: Update copyright notices

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/fs/jffs2/compr_lzo.c b/fs/jffs2/compr_lzo.c
index cd02aca..ed25ae7c 100644
--- a/fs/jffs2/compr_lzo.c
+++ b/fs/jffs2/compr_lzo.c
@@ -2,6 +2,7 @@
  * JFFS2 -- Journalling Flash File System, Version 2.
  *
  * Copyright © 2007 Nokia Corporation. All rights reserved.
+ * Copyright © 2004-2010 David Woodhouse <dwmw2@infradead.org>
  *
  * Created by Richard Purdie <rpurdie@openedhand.com>
  *