2008-06-09  Kristian Rietveld  <kris@gtk.org>

	Bug 526987 - GtkCellRendererCombo should allow model to be NULL

	* gtk/gtkcellrenderercombo.c (gtk_cell_renderer_combo_class_init),
	(gtk_cell_renderer_combo_set_property),
	(gtk_cell_renderer_combo_editing_done),
	(gtk_cell_renderer_combo_start_editing): introduce private class
	struct, allow model to be set to NULL.


svn path=/trunk/; revision=20340