update David Miller's old email address

Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

arch/mips/sgi-ip22/ip22-int.c

@@ -2,7 +2,7 @@
  * ip22-int.c: Routines for generic manipulation of the INT[23] ASIC
  *             found on INDY and Indigo2 workstations.
  *
- * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
+ * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
  * Copyright (C) 1997, 1998 Ralf Baechle (ralf@gnu.org)
  * Copyright (C) 1999 Andrew R. Baker (andrewb@uab.edu)
  *                    - Indigo2 changes