minor mptfusion fix

I found a minor bug in that patch.  Its in mptbase_remove(). I saw
it this morning when compiling a driver for x86_64 platform. Funny
how it didn't complain in x86 system.

drivers/message/fusion/mptbase.c

@@ -1551,7 +1551,7 @@ mptbase_remove(struct pci_dev *pdev)
 	Q_DEL_ITEM(ioc);
 	mpt_adapter_dispose(ioc);
 
-	mptscsih_sync_irq(ioc->irq);
+	mptscsih_sync_irq(pdev->irq);
 	pci_set_drvdata(pdev, NULL);
 }