[gupnp] control-point: Hold a ref on control point while async downloading

[Jens Georg <jensgeorg src gnome org>]

commit 4a68246fe21df78bd1c3a0460d2d1eaaaf5747f7
Author: Doug Nazar <nazard nazar ca>
Date:   Fri May 7 04:24:05 2021 -0400

    control-point: Hold a ref on control point while async downloading
    
    The control point otherwise may disappear out from under soup while
    it's downloading.

 libgupnp/gupnp-control-point.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/libgupnp/gupnp-control-point.c b/libgupnp/gupnp-control-point.c
index 44f20a2..627cfca 100644
--- a/libgupnp/gupnp-control-point.c
+++ b/libgupnp/gupnp-control-point.c
@@ -115,6 +115,7 @@ get_description_url_data_free (GetDescriptionURLData *data)
         g_free (data->udn);
         g_free (data->service_type);
         g_free (data->description_url);
+        g_object_unref (data->control_point);
 
         g_slice_free (GetDescriptionURLData, data);
 }
@@ -736,7 +737,7 @@ load_description (GUPnPControlPoint *control_point,
 
                 http_request_set_accept_language (data->message);
 
-                data->control_point   = control_point;
+                data->control_point   = g_object_ref (control_point);
 
                 data->udn             = g_strdup (udn);
                 data->service_type    = g_strdup (service_type);