GluaX fixes (minor)

[Asko Kauppi <Asko.Kauppi@...>]

Martin pointed out that the gluax 'demo.bat' hadn't worked for him.

A fixed 'demo.bat' is available at the wiki for anyone looking into GluaX
right now:
http://lua-users.org/files/wiki_insecure/users/akauppi/

Also, I've acknowledged the mention of buffer overruns. As far as I know,
such places only exist in the generation of error messages, but I'll
eliminate even them in future releases.  The problem is, 'lua_pushfstring()'
does not exist for Lua 4.0 so I need to use regular 'sprintf()'. Any ideas?

-ak


>The "GLUAPATH" Lua global gives the path of where to look for the modules.
>The old demo was using my default (I've removed it from 'sdl_wrap.lua'
now).
>
>With the following change, demo.bat should launch in any directory:
>
>	"..\..\..\out\gluahost  GLUAPATH=..\..\out  ..\sdl_wrap.lua
meteor_shower.lua"
>
>Attached is a fixed bat.
>
>-ak

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