VFIO: fix out of order labels for error recovery in vfio_pci_init()

The two labels for error recovery in function vfio_pci_init() is out of
order, so fix it.
Signed-off-by: NJiang Liu <jiang.liu@huawei.com>
Signed-off-by: NAlex Williamson <alex.williamson@redhat.com>

drivers/vfio/pci/vfio_pci.c

@@ -576,9 +576,9 @@ static int __init vfio_pci_init(void)
 
 	return 0;
 
-out_virqfd:
-	vfio_pci_virqfd_exit();
 out_driver:
+	vfio_pci_virqfd_exit();
+out_virqfd:
 	vfio_pci_uninit_perm_bits();
 	return ret;
 }