scsi: sgiwd93: Declare SCSI host template const

Make it explicit that the SCSI host template is not modified.

Signed-off-by: Bart Van Assche <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Martin K. Petersen <[e-mail]>

drivers/scsi/sgiwd93.c

···
  * arguments not with pointers.  So this is going to blow up beautyfully
  * on 64-bit systems with memory outside the compat address spaces.
  */
-static struct scsi_host_template sgiwd93_template = {
+static const struct scsi_host_template sgiwd93_template = {
 	.module			= THIS_MODULE,
 	.proc_name		= "SGIWD93",
 	.name			= "SGI WD93",