更新lua脚本，添加luawindow的创建方法。

client_Wu Xijin

2018-08-15 6c203acdb387597abd222a5a040ce94120dcecf4

 Assets/XLua/Gen/LuaWindowWrap.cs.meta

copy from Assets/Editor/Tool/GenerateClass.cs.meta
copy to Assets/XLua/Gen/LuaWindowWrap.cs.meta
File was copied from Assets/Editor/Tool/GenerateClass.cs.meta
@@ -1,6 +1,6 @@
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