scsi: stex: Declare SCSI host template const

Make it explicit that the SCSI host template is not modified.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20230322195515.1267197-73-bvanassche@acm.orgSigned-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/stex.c

@@ -1472,7 +1472,7 @@ static int stex_biosparam(struct scsi_device *sdev,
 	return 0;
 }
 
-static struct scsi_host_template driver_template = {
+static const struct scsi_host_template driver_template = {
 	.module				= THIS_MODULE,
 	.name				= DRV_NAME,
 	.proc_name			= DRV_NAME,