PNP: Replace acpi_bus_get_device()

Replace acpi_bus_get_device() that is going to be dropped with
acpi_fetch_acpi_dev().

No intentional functional impact.

Signed-off-by: Rafael J. Wysocki <[e-mail]>

drivers/pnp/pnpacpi/core.c

···
 						     u32 lvl, void *context,
 						     void **rv)
 {
-	struct acpi_device *device;
+	struct acpi_device *device = acpi_fetch_acpi_dev(handle);
 
-	if (acpi_bus_get_device(handle, &device))
+	if (!device)
 		return AE_CTRL_DEPTH;
 	if (acpi_is_pnp_device(device))
 		pnpacpi_add_device(device);