wxGUI/iclass: don't draw centroids

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@54486 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/iclass/digit.py

@@ -123,6 +123,8 @@ class IClassDisplayDriver(DisplayDriver):
         """
         if robj.type == TYPE_AREA:
             self._cat = Vect_get_area_cat(self.poMapInfo, robj.fid, 1)
+        elif robj.type == TYPE_CENTROIDIN:
+            return # skip centroids
         DisplayDriver._drawObject(self, robj)
         
     def _definePen(self, rtype):