[gnome-boxes/fix-vnc-auth-failures: 3/3] machine: Track the life cycle of auth_notification

[Felipe Borges <felipeborges src gnome org>]

commit 50f94105bafb78de23ca99ef542fd4ac843f858a
Author: Felipe Borges <felipeborges gnome org>
Date:   Mon Apr 6 11:37:26 2020 +0200

    machine: Track the life cycle of auth_notification
    
    So we can spawn a new one when there was a previous one.
    
    Fixes #446

 src/machine.vala | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)
---
diff --git a/src/machine.vala b/src/machine.vala
index b8417695..795058f2 100644
--- a/src/machine.vala
+++ b/src/machine.vala
@@ -755,14 +755,14 @@ private async void delete_auth_credentials () {
             return;
         }
 
+        if (auth_notification != null) {
+            auth_notification.dismiss ();
+            auth_notification = null;
+        }
+
         try {
             yield Secret.password_clear (secret_auth_schema, null,
                                          "gnome-boxes-machine-uuid", config.uuid);
-
-            if (auth_notification != null) {
-                auth_notification.dismiss ();
-                auth_notification = null;
-            }
         } catch (GLib.Error error) {
             debug ("Failed to delete credentials for machine %s: %s", config.uuid, error.message);
         }