Fix issue of memory leaking for coord objects. When coord.cc try to release memory of coords of a subtree, a typo make the code always free root coord of the subtree. It causes a leaking.

madbutterfly (0.0-3) intrepid; urgency=low

  * Initial release

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