It's currently not used, but it's safer to unset it and free user's
data for avoiding future head-aches
https://bugs.freedesktop.org/show_bug.cgi?id=39720
Reviewed-by: Simon McVittie <simon.mcvittie@collabora.co.uk>
dbus_connection_set_dispatch_status_function (connection, NULL, NULL, NULL);
dbus_connection_set_wakeup_main_function (connection, NULL, NULL, NULL);
dbus_connection_set_unix_user_function (connection, NULL, NULL, NULL);
+ dbus_connection_set_windows_user_function (connection, NULL, NULL, NULL);
_dbus_watch_list_free (connection->watches);
connection->watches = NULL;