scx200_acb: Fix PCI device reference count

The scx200_acb driver supports two kind of devices, PCI ones and ISA
ones. Even ISA ones are detected using the presence of a given PCI
device, and we get a reference to it, but never put it back, so we
have a leak. Fix it.
Signed-off-by: NJean Delvare <khali@linux-fr.org>

drivers/i2c/busses/scx200_acb.c

@@ -599,6 +599,7 @@ static __init int scx200_scan_pci(void)
 		else {
 			int i;
 
+			pci_dev_put(pdev);
 			for (i = 0; i < MAX_DEVICES; ++i) {
 				if (base[i] == 0)
 					continue;