Function g_dbus_proxy_call_with_unix_fd_list_finish

pub unsafe extern "C" fn g_dbus_proxy_call_with_unix_fd_list_finish(
    proxy: *mut GDBusProxy,
    out_fd_list: *mut *mut GUnixFDList,
    res: *mut GAsyncResult,
    error: *mut *mut GError,
) -> *mut GVariant