Sat Jan 19 20:49:41 2002  Kristian Rietveld  <kris@gtk.org>

        * demos/gtk-demo/editable_cells.c: fix a load of open line ends
        (cell_edited): modified patch from German Poo Caaman~o
        to fix up old_text declaration and free the memory
        (do_editable_cells): unref the model after creating the treeview

        * demos/gtk-demo/list_store.c: fix a load of open line ends,
        (add_columns): set the sort column id, so we can sort

        * demos/gtk-demo/tree_store.c: fix a load of open line ends,
        (do_tree_store): unref the model after creating the treeview