[MPlayer-cygwin] Updated MPlaer MinGW HOWTO

[Stefan Gürtler]

> 
> I can explain this.  Under cygwin, x264 builds with mingw runtime.  So
> x264's references to stdio don't link with a cygwin app.  That's what
> the __imp___iob lines are referencing.
> 
> Solutions:
>   1. configure x264, then remove all instances of -mno-cygwin from
>      config.mak before running make.
>   2. build both on mingw.
>   3. make MPlayer build on cygwin with mingw runtime.
> 
> #1 is easy, #2 is not nice if you are very involved in your cygwin
> install, and #3 is maybe not that easy.
> 
> --Joey
> 
Thanks for your exlanation, Joey.
I will stick with #2.

Stefan