mtd: Update copyright notices

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/drivers/mtd/mtdoops.c b/drivers/mtd/mtdoops.c
index 328313c..1ee72f3 100644
--- a/drivers/mtd/mtdoops.c
+++ b/drivers/mtd/mtdoops.c
@@ -1,7 +1,7 @@
 /*
  * MTD Oops/Panic logger
  *
- * Copyright (C) 2007 Nokia Corporation. All rights reserved.
+ * Copyright © 2007 Nokia Corporation. All rights reserved.
  *
  * Author: Richard Purdie <rpurdie@openedhand.com>
  *