Bone, redid null check on scale in setBindTransform, ogre.xml can have null scale values

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@7640 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/core/com/jme3/animation/Bone.java

@@ -555,11 +555,16 @@ public final class Bone implements Savable {
     public void setBindTransforms(Vector3f translation, Quaternion rotation, Vector3f scale) {
         initialPos.set(translation);
         initialRot.set(rotation);
-        initialScale.set(scale);
+        //ogre.xml can have null scale values breaking this if the check is removed
+        if (scale != null) {
+            initialScale.set(scale);
+        }
 
         localPos.set(translation);
         localRot.set(rotation);
-        localScale.set(scale);
+        if (scale != null) {
+            localScale.set(scale);
+        }
     }
 
     private String toString(int depth) {