- fix double-close in TerrainEditor

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@8660 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

sdk/jme3-terrain-editor/src/com/jme3/gde/terraineditor/TerrainEditorTopComponent.java

@@ -1102,8 +1102,8 @@ public final class TerrainEditorTopComponent extends TopComponent implements Sce
         if (request.equals(currentRequest)) {
             setActivatedNodes(new org.openide.nodes.Node[]{});
             SceneApplication.getApplication().removeSceneListener(this);
-            setSceneInfo(null, false);
             currentRequest = null;
+            setSceneInfo(null, false);
             cleanupControllers();
         }
     }