resize clist if adjustments are NULL and list size has changed

resize clist if adjustments are NULL and list size has changed

Fri Nov  6 23:29:40 1998  Lars Hamann  <lars@gtk.org>

	* gtk/gtkclist.c (real_clear) (adjust_adjustments): resize clist
 	if adjustments are NULL and list size has changed
	(gtk_clist_size_request): return real list requsition,
 	if adjustments are NULL.
	(size_allocate_columns): use button->requisition.with, if column
 	width is not set.
	(list_requisition_width): new function. return full list width.
	(gtk_clist_set_hadjustment) (gtk_clist_set_vadjustment): do not
	auto create adjustments.
	(gtk_clist_motion) (move_vertical) (move_horizontal):
 	check adjustment != NULL.