avoid continuous rebuilds from LUA_API* changes

Signed-off-by: M. Liebmann <tuxcode.bbg@gmail.com>


Origin commit data
------------------
Commit: 59f91b190c
Author: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: 2015-12-14 (Mon, 14 Dec 2015)

src/gui/lua/luainstance.cpp

@@ -49,6 +49,9 @@
 #include "lua_threads.h"
 #include "lua_video.h"
 
+/* autogenerated from luainstance.h */
+#include "lua_api_version.h"
+
 extern CPictureViewer * g_PicViewer;
 extern cVideo         * videoDecoder;