Bugfix: fixed a bug that caused IDENTITY matrix to be changed during loading (sorry about that ;).

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@10925 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/blender/com/jme3/scene/plugins/blender/objects/ObjectHelper.java

@@ -276,7 +276,7 @@ public class ObjectHelper extends AbstractBlenderHelper {
      * @return objects transformation relative to its parent
      */
     public Transform getTransformation(Structure objectStructure, BlenderContext blenderContext) {
-        Matrix4f parentInv = Matrix4f.IDENTITY;
+        Matrix4f parentInv = Matrix4f.IDENTITY.clone();
         Pointer pParent = (Pointer) objectStructure.getFieldValue("parent");
         if(pParent.isNotNull()) {
             Structure parentObjectStructure = (Structure) blenderContext.getLoadedFeature(pParent.getOldMemoryAddress(), LoadedFeatureDataType.LOADED_STRUCTURE);