Log Message:
Update libgnomeprint and libgnomeprintui to 2.8.2:

Dom & Hans
* Clean up win32 build

Jody
* Use 'b' with fopen just to be safe
  http://bugzilla.gnome.org/show_bug.cgi?id=160185
* Set the use theme flag correctly on subsequent previews
* Check for existence of transport before offering it
* Don't center the preview by default