Fix lacking code from #666-- I had originally wanted to add this, but couldn't

craft a test which exposed the lack ... until i realized with pgiraud's help
that my test was backwards to begin with. (Closes #666)


git-svn-id: http://svn.openlayers.org/trunk/openlayers@4217 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Handler/Polygon.js

@@ -78,6 +78,7 @@ OpenLayers.Handler.Polygon = OpenLayers.Class(OpenLayers.Handler.Path, {
         var index = this.line.geometry.components.length - 2;
         this.line.geometry.components[index].x = this.point.geometry.x;
         this.line.geometry.components[index].y = this.point.geometry.y;
+        this.line.geometry.components[index].clearBounds();
     },
 
     /**