Debugging crash in windows ... see you tomorrow nightly build.

Geo/Chain.h

@@ -518,7 +518,7 @@ void Chain<C>::addToModel(GModel* m, bool post,
     if(opt->tangents == 0) opt->tangents = size;
     if(opt->normals == 0) opt->normals = size;
     view->setOptions(opt);
-    updateFltkTree();
+    //updateFltkTree();
   }
 #endif
 }