[gtk/antoniof-main-patch-89408] columnviewcolumn: Define autocleanup function

[António Fernandes <antoniof src gnome org>]

commit 94ef818c9abde14378928e6616b7662c9ba2b361
Author: António Fernandes <antoniojpfernandes gmail com>
Date:   Fri Feb 4 11:13:46 2022 +0000

    columnviewcolumn: Define autocleanup function

 gtk/gtkcolumnviewcolumn.h | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/gtk/gtkcolumnviewcolumn.h b/gtk/gtkcolumnviewcolumn.h
index 27943b25c1..b83ef4b307 100644
--- a/gtk/gtkcolumnviewcolumn.h
+++ b/gtk/gtkcolumnviewcolumn.h
@@ -35,6 +35,7 @@ G_BEGIN_DECLS
 #define GTK_IS_COLUMN_VIEW_COLUMN(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), GTK_TYPE_COLUMN_VIEW_COLUMN))
 #define GTK_IS_COLUMN_VIEW_COLUMN_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE ((k), GTK_TYPE_COLUMN_VIEW_COLUMN))
 #define GTK_COLUMN_VIEW_COLUMN_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GTK_TYPE_COLUMN_VIEW_COLUMN, 
GtkColumnViewColumnClass))
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(GtkColumnViewColumn, g_object_unref)
 
 typedef struct _GtkColumnViewColumnClass GtkColumnViewColumnClass;