2008-07-11  Martin Nordholts  <martinn@svn.gnome.org>

	* app/display/gimpdisplayshell-scroll.[ch]
	(gimp_display_shell_get_viewport): Extend the interface with this
	function.

	* app/display/gimpnavigationeditor.c
	(gimp_navigation_editor_update_marker): Use it here.

svn path=/trunk/; revision=26114