[SCSI] 3w-xxxx: fix "ATA UDMA upgrade" message number

sparse "defined twice" warning
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

drivers/scsi/3w-xxxx.h

@@ -74,7 +74,7 @@ static char *tw_aen_string[] = {
 	[0x00D] = "ERROR: Logical unit deleted: Unit #",
 	[0x00F] = "WARNING: SMART threshold exceeded: Port #",
 	[0x021] = "WARNING: ATA UDMA downgrade: Port #",
-	[0x021] = "WARNING: ATA UDMA upgrade: Port #",
+	[0x022] = "WARNING: ATA UDMA upgrade: Port #",
 	[0x023] = "WARNING: Sector repair occurred: Port #",
 	[0x024] = "ERROR: SBUF integrity check failure",
 	[0x025] = "ERROR: Lost cached write: Port #",