[gtk/matthiasc/for-master] gtk-demo: Group the listbox demos

[Matthias Clasen <matthiasc src gnome org>]

commit eb5329d38933b3e82497aa1b409c7e7f31154d14
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Aug 9 12:31:35 2020 -0400

    gtk-demo: Group the listbox demos

 demos/gtk-demo/listbox.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/demos/gtk-demo/listbox.c b/demos/gtk-demo/listbox.c
index 2f785e271a..0a9b6959df 100644
--- a/demos/gtk-demo/listbox.c
+++ b/demos/gtk-demo/listbox.c
@@ -1,4 +1,4 @@
-/* List Box
+/* List Box/Complex list
  *
  * GtkListBox allows lists with complicated layouts, using
  * regular widgets supporting sorting and filtering.