[MPlayer-dev-eng] [PATCH] mingw + sdl compilation fixes

[Sascha Sommer]

> mingw will enable sdl output by default if it finds sdl-config, but 
> the code is broken currently and will not compile. this patch fixes 
> any compilation errors. '-ao sdl' will work fine if you want to 
> use it for some reason. '-vo sdl' is broken though and will 
> crash if you try to play with it, but at least it compiles now.
> 

Thanks applied.

Sascha