* gtk/gtktreemodel.h: add () to function macros as per owen's
	request.

	* gtk/gtkfontsel.c: (gtk_font_selection_select_best_style),
	(gtk_font_selection_show_available_sizes),
	(gtk_font_selection_set_font_name):
	* gtk/gtktreemodel.c: (gtk_tree_model_get_iter_first),
	(gtk_tree_model_foreach):
	* gtk/gtktreemodelsort.c: (gtk_tree_model_sort_sort_level),
	(gtk_tree_model_sort_build_level):
	* gtk/gtktreeselection.c: (gtk_tree_selection_selected_foreach):
	* gtk/gtktreeview.c: (validate_visible_area),
	(gtk_tree_view_focus_to_cursor), (gtk_tree_view_set_model),
	(gtk_tree_view_map_expanded_rows), (gtk_tree_view_search_move),
	(gtk_tree_view_search_init):
	* tests/testtreeview.c: (run_automated_tests): change iter_root
	to iter_first