- make OptimizeGeometry trigger a change in the file TODO: undo still doesn't work but now the undo button will get lit by the action

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@8584 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

sdk/jme3-core/src/com/jme3/gde/core/sceneexplorer/nodes/actions/impl/OptimizeGeometry.java

@@ -53,7 +53,7 @@ public class OptimizeGeometry extends AbstractToolAction {
     protected Object doApplyTool(AbstractSceneExplorerNode rootNode) {
         Node geom = rootNode.getLookup().lookup(Node.class);
         GeometryBatchFactory.optimize(geom);
-        return null;
+        return geom;
     }
 
     @Override