[gtk+/portal] Remove unnecessary clear call

[Matthias Clasen <matthiasc src gnome org>]

commit 1f810f5109cb9f8adf80250ad3ad5a06e24eface
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Jul 6 20:01:37 2016 -0400

    Remove unnecessary clear call
    
    As Cosimo pointed out, client_proxy is already NULL in this
    case anyway.

 gtk/gtkapplication-dbus.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkapplication-dbus.c b/gtk/gtkapplication-dbus.c
index 844dd03..4336ec5 100644
--- a/gtk/gtkapplication-dbus.c
+++ b/gtk/gtkapplication-dbus.c
@@ -259,7 +259,6 @@ gtk_application_impl_dbus_startup (GtkApplicationImpl *impl,
     {
       g_warning ("Failed to get client proxy: %s", error->message);
       g_clear_error (&error);
-      g_clear_object (&dbus->client_proxy);
       g_free (dbus->client_path);
       dbus->client_path = NULL;
       goto out;