sata_dwc_460ex: indent an if statement

We shuffled some code around in 8b3444852a2b ('sata_dwc_460ex: move to
generic DMA driver') an accidentally deleted a tab character here. It
causes a Smatch warning "if statement not indented".

Signed-off-by: Dan Carpenter <[e-mail]>
Reviewed-by: Andy Shevchenko <[e-mail]>
Signed-off-by: Tejun Heo <[e-mail]>

drivers/ata/sata_dwc_460ex.c

···
 	}
 
 	if ((hsdevp->dma_interrupt_count % 2) == 0)
-	sata_dwc_dma_xfer_complete(ap, 1);
+		sata_dwc_dma_xfer_complete(ap, 1);
 
 	spin_unlock_irqrestore(&host->lock, flags);
 }