fixed "SpriteBatchNodeReorderSameIndex" test case

Author: ShengxiangChen

cocos2d/sprite_nodes/CCSpriteBatchNode.js

@@ -822,8 +822,7 @@ cc.SpriteBatchNode = cc.Node.extend(/** @lends cc.SpriteBatchNode# */{
                 j = i - 1;
 
                 //continue moving element downwards while zOrder is smaller or when zOrder is the same but orderOfArrival is smaller
-                while (j >= 0 && (tempItem.getZOrder() < this._children[j].getZOrder() ||
-                    (tempItem.getZOrder() == this._children[j].getZOrder() && tempItem.getOrderOfArrival() < this._children[j].getOrderOfArrival()))) {
+                while (j >= 0 && (tempItem.getZOrder() < this._children[j].getZOrder() || (tempItem.getZOrder() == this._children[j].getZOrder() && tempItem.getOrderOfArrival() < this._children[j].getOrderOfArrival()))) {
                     this._children[j + 1] = this._children[j];
                     j--;
                 }
@@ -838,11 +837,11 @@ cc.SpriteBatchNode = cc.Node.extend(/** @lends cc.SpriteBatchNode# */{
                 var index = 0;
                 //fast dispatch, give every child a new atlasIndex based on their relative zOrder (keep parent -> child relations intact)
                 // and at the same time reorder descedants and the quads to the right index
-                if (cc.renderContextType == cc.WEBGL) {
+                //if (cc.renderContextType == cc.WEBGL) {
                     for (i = 0; i < this._children.length; i++) {
                         index = this._updateAtlasIndex(this._children[i], index);
                     }
-                }
+                //}
             }
 
             this._reorderChildDirty = false;