[MPlayer-dev-eng] workaround for SEGFAULTs during rtsp download

[Willem de Bruijn]

> I'd suggest also using valgrind, it usually gives better results than
> efence. You just have to disable postprocessing, as it contains some
> offending code (creating temporary variables in asm code) which valgrind
> doesn't like.

Thanks for the tip. I would like to use valgrind, but unfortunately it doesn't 
work on my 64bit system. And the bug I'm hunting is decidedly 64bit related.

Willem