Fixes for #135333, analysed by Damon Chaplin:

Fixes for #135333, analysed by Damon Chaplin:

Thu Feb 26 23:39:07 2004  Matthias Clasen  <maclas@gmx.de>

	Fixes for #135333, analysed by Damon Chaplin:

	* gtk/gtkcombobox.c (gtk_combo_box_list_button_pressed): Don't
	grab here.
	* gtk/gtkcombobox.c (gtk_combo_box_popup): Do the grabs here,
	so that we don't forget to grab when the menu is popped via
	keynav.
	* gtk/gtkcombobox.c (gtk_combo_box_list_button_released): Don't
	ungrab here.
	* gtk/gtkcombobox.c (gtk_combo_box_popdown): Do the ungrabs here.