[gnome-shell] shell/network-agent: Fix setting leak in get_secrets_keyring_cb

[Marge Bot <marge-bot src gnome org>]

commit f0deb03bd42478640c211931a2857a4b05631fc0
Author: Sebastian Keller <skeller gnome org>
Date:   Mon Dec 14 15:51:46 2020 +0100

    shell/network-agent: Fix setting leak in get_secrets_keyring_cb
    
    The setting GVariant was not consumed by anything in the VPN case.
    
    Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1535>

 src/shell-network-agent.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/shell-network-agent.c b/src/shell-network-agent.c
index 9524fe5201..af5dfbb33b 100644
--- a/src/shell-network-agent.c
+++ b/src/shell-network-agent.c
@@ -243,7 +243,7 @@ get_secrets_keyring_cb (GObject            *source,
   GList *l;
   gboolean secrets_found = FALSE;
   GVariantBuilder builder_setting, builder_connection;
-  GVariant *setting;
+  g_autoptr (GVariant) setting = NULL;
 
   items = secret_service_search_finish (NULL, result, &secret_error);
 
@@ -303,7 +303,7 @@ get_secrets_keyring_cb (GObject            *source,
     }
 
   g_list_free_full (items, g_object_unref);
-  setting = g_variant_builder_end (&builder_setting);
+  setting = g_variant_ref_sink (g_variant_builder_end (&builder_setting));
 
   /* All VPN requests get sent to the VPN's auth dialog, since it knows better
    * than the agent about what secrets are required.  Otherwise, if no secrets