[libata] Trim trailing whitespace.
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 3f1106f..1aabc81 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -1075,7 +1075,7 @@
 		return;
 
 	/* ignore interim PIO setup fis interrupts */
-	if (ata_tag_valid(ap->active_tag) && (status & PORT_IRQ_PIOS_FIS)) 
+	if (ata_tag_valid(ap->active_tag) && (status & PORT_IRQ_PIOS_FIS))
 		return;
 
 	if (ata_ratelimit())