[gtk/matthiasc/for-master: 6/6] printdialog: Plug listmodel memory leaks

[Matthias Clasen <matthiasc src gnome org>]

commit c442f9f05a2e4831ac520fbacbd76348ccd1a04d
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Nov 10 09:07:54 2020 -0500

    printdialog: Plug listmodel memory leaks
    
    We were leaking references returned from g_list_model_get_item
    in some places.

 gtk/gtkpagesetupunixdialog.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/gtk/gtkpagesetupunixdialog.c b/gtk/gtkpagesetupunixdialog.c
index 8cc9768a5a..ea61efd367 100644
--- a/gtk/gtkpagesetupunixdialog.c
+++ b/gtk/gtkpagesetupunixdialog.c
@@ -702,6 +702,8 @@ paper_size_changed (GtkDropDown            *combo_box,
           g_signal_connect (custom_paper_dialog, "response", G_CALLBACK (custom_paper_dialog_response_cb), 
dialog);
           gtk_window_present (GTK_WINDOW (custom_paper_dialog));
 
+          g_object_unref (page_setup);
+
           return;
         }