[SCSI] scsi_error: fix indentation and braces disagreement - add braces

...and the list of recent breakage goes on and on, this time
it's 242f9dc (block: unify request timeout handling)
which broke it.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Acked-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

drivers/scsi/scsi_error.c

@@ -136,14 +136,15 @@ enum blk_eh_timer_return scsi_times_out(struct request *req)
 	else
 		eh_timed_out = NULL;
 
-	if (eh_timed_out)
+	if (eh_timed_out) {
 		rtn = eh_timed_out(scmd);
 		switch (rtn) {
 		case BLK_EH_NOT_HANDLED:
 			break;
 		default:
 			return rtn;
 		}
+	}
 
 	if (unlikely(!scsi_eh_scmd_add(scmd, SCSI_EH_CANCEL_CMD))) {
 		scmd->result |= DID_TIME_OUT << 16;