add align_set field to keep track whether the align property was set by

add align_set field to keep track whether the align property was set by

2006-07-19  Kristian Rietveld  <kris@imendio.com>

	* gtk/gtkcellrenderertext.c (gtk_cell_renderer_text_init),
	(gtk_cell_renderer_text_[gs]et_property), (get_layout): add
	align_set field to keep track whether the align property was
	set by the user, if not we will use the alignment by looking
	at the direction of the widget. (#157439)