popover: Fix a reference leak

Don't leak the reference to the default widget.

diff --git a/gtk/gtkpopover.c b/gtk/gtkpopover.c
index ccf55e48f36c8e2f5711c836588182c196f00058..8a0d3e9e3dd2a217ce0a2a41964b284dcdce93b0 100644 (file)
--- a/gtk/gtkpopover.c
+++ b/gtk/gtkpopover.c
@@ -1025,6 +1025,7 @@ gtk_popover_dispose (GObject *object)
   GtkPopover *popover = GTK_POPOVER (object);
   GtkPopoverPrivate *priv = gtk_popover_get_instance_private (popover);
 
+  g_clear_object (&priv->default_widget);
   g_clear_pointer (&priv->contents_widget, gtk_widget_unparent);
   g_clear_pointer (&priv->arrow_render_node, gsk_render_node_unref);