Fix return code in pci-skeleton.c

We assign the return value of register_netdev to i, but return rc later
on. Fix it.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

drivers/net/pci-skeleton.c

@@ -710,8 +710,8 @@ match:
 		tp->chipset,
 		rtl_chip_info[tp->chipset].name);
 
-	i = register_netdev (dev);
-	if (i)
+	rc = register_netdev (dev);
+	if (rc)
 		goto err_out_unmap;
 
 	DPRINTK ("EXIT, returning 0\n");