[gnome-control-center/gnome-3-34] network: Fix D-Bus GVariant leak

[Robert Ancell <rancell src gnome org>]

commit 232026b41262cc49e482eefdf759d5c4e6d6b251
Author: Robert Ancell <robert ancell canonical com>
Date:   Thu Sep 12 11:53:57 2019 +1200

    network: Fix D-Bus GVariant leak

 panels/network/net-device-wifi.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/panels/network/net-device-wifi.c b/panels/network/net-device-wifi.c
index 4bc50cbad..799db7d9a 100644
--- a/panels/network/net-device-wifi.c
+++ b/panels/network/net-device-wifi.c
@@ -823,6 +823,7 @@ get_hostname (void)
         if (res != NULL) {
                 g_variant_get (res, "(v)", &inner);
                 str = g_variant_dup_string (inner, NULL);
+                g_variant_unref (inner);
                 g_variant_unref (res);
         }