Merge pull request #3222 from VisualSJ/develop-3.10

Fixed a bug that scale9Sprite position error

Author: pandamicro

extensions/ccui/base-classes/UIScale9SpriteWebGLRenderCmd.js

@@ -105,7 +105,7 @@
     proto.setDirtyFlag = function (dirtyFlag, child) {
         // ignore cache dirty, it's only for canvas
         if (dirtyFlag === cc.Node._dirtyFlags.cacheDirty)
-            return;
+            dirtyFlag = cc.Node._dirtyFlags.transformDirty;
         cc.Node.RenderCmd.prototype.setDirtyFlag.call(this, dirtyFlag, child);
     };