Fix proper scene manager parameter handling in clone method. Thanks to greenya for this fix.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@4520 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/CSceneNodeAnimatorDelete.cpp

@@ -39,8 +39,11 @@ void CSceneNodeAnimatorDelete::animateNode(ISceneNode* node, u32 timeMs)
 
 ISceneNodeAnimator* CSceneNodeAnimatorDelete::createClone(ISceneNode* node, ISceneManager* newManager)
 {
-	CSceneNodeAnimatorDelete * newAnimator =
-		new CSceneNodeAnimatorDelete(SceneManager, FinishTime);
+	if (!newManager)
+		newManager = SceneManager;
+
+	CSceneNodeAnimatorDelete* newAnimator =
+		new CSceneNodeAnimatorDelete(newManager, FinishTime);
 
 	return newAnimator;
 }