Skip coords that is not cached when add coords into zeroing_coords list. If we don't skip normal coords, non-cached, here, cached coords that own one or more non-cached ancestors would be fail to add into redraw_man_t::zeroing_coords list.

madbutterfly (0.0-3) intrepid; urgency=low

  * Initial release

 -- Ben Lau <benlau@visionware.com.hk>  Thu, 09 Apr 2009 20:00:10 +0800