libata: Trim trailing whitespace

Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c
index 1a49c777f..885357b 100644
--- a/drivers/ata/sata_nv.c
+++ b/drivers/ata/sata_nv.c
@@ -802,7 +802,7 @@
 			u16 status;
 			u32 gen_ctl;
 			u32 notifier, notifier_error;
-			
+
 			/* if ADMA is disabled, use standard ata interrupt handler */
 			if (pp->flags & NV_ADMA_ATAPI_SETUP_COMPLETE) {
 				u8 irq_stat = readb(host->iomap[NV_MMIO_BAR] + NV_INT_STATUS_CK804)
@@ -963,7 +963,7 @@
 
 	/* clear ADMA status */
 	writew(0xffff, mmio + NV_ADMA_STAT);
-	
+
 	/* clear notifiers - note both ports need to be written with
 	   something even though we are only clearing on one */
 	if (ap->port_no == 0) {