for the custom child list mode, allocate the height allocation->height to

for the custom child list mode, allocate the height allocation->height to

Sat Oct 11 15:37:19 2003  Kristian Rietveld  <kris@gtk.org>

	* gtk/gtkcombobox.c (gtk_combo_box_size_allocate): for the custom
	child list mode, allocate the height allocation->height to the
	button instead of the height requested by the button. (Tiny
	size allocation screwup noticed by Macro Pesenti Gritti).