[PATCH] libata: fix G5 SATA broken on -rc5

Fix G5 SATA irq 18: nobody cared, reported on -rc5 by Olaf Hering:
fixlet to a57c1bade5a0ee5cd8b74502db9cbebb7f5780b2 libata-sff:
Fix oops reported in kerneloops.org for pnp devices with no ctl
    
Signed-off-by: Hugh Dickins <redacted>
Acked-by: Alan Cox <redacted>
---

 drivers/ata/libata-sff.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- 2.6.26-rc5/drivers/ata/libata-sff.c	2008-06-05 07:18:07.000000000 +0100
+++ linux/drivers/ata/libata-sff.c	2008-06-05 12:42:39.000000000 +0100

@@ -278,7 +278,7 @@ static u8 ata_sff_irq_status(struct ata_
 		    	return status;
 	}
 	/* Clear INTRQ latch */
-	status = ata_sff_check_status(ap);
+	status = ap->ops->sff_check_status(ap);
 	return status;
 }