scsi: target: iblock: Quiet bool conversion warning with pr_preempt use

We want to pass in true for pr_preempt's argument if we are doing a
PRO_PREEMPT_AND_ABORT, so just test sa against PRO_PREEMPT_AND_ABORT, and
pass the result directly to pr_preempt.

Reported-by: kernel test robot <[e-mail]>
Closes: https://lore.kernel.org/oe-kbuild-all/[e-mail]/
Signed-off-by: Mike Christie <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Reviewed-by: Maurizio Lombardi <[e-mail]>
Signed-off-by: Martin K. Petersen <[e-mail]>

drivers/target/target_core_iblock.c

···
 
 		ret = ops->pr_preempt(bdev, key, sa_key,
 				      scsi_pr_type_to_block(type),
-				      sa == PRO_PREEMPT ? false : true);
+				      sa == PRO_PREEMPT_AND_ABORT);
 		break;
 	case PRO_RELEASE:
 		if (!ops->pr_clear) {