thermal: Fix error path in thermal_init()

commit 9d367e5e upstream.

thermal_unregister_governors() and class_unregister() were being called in
the wrong order.

Fixes: 80a26a5c ("Thermal: build thermal governors into thermal_sys module")
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>

drivers/thermal/thermal_core.c

@@ -1747,10 +1747,10 @@ static int __init thermal_init(void)
 
 	return 0;
 
-unregister_governors:
-	thermal_unregister_governors();
 unregister_class:
 	class_unregister(&thermal_class);
+unregister_governors:
+	thermal_unregister_governors();
 error:
 	idr_destroy(&thermal_tz_idr);
 	idr_destroy(&thermal_cdev_idr);