[vdr] [patch] avoid inheritance of file descriptors

[Deti Fliegl]

Klaus Schmidinger wrote:
> Doesn't SystemExec() (see tools.c) take care of this?
Yes you are right - it takes care internally but not for plugins like 
dvdswitch etc. In order to fix this problem you could patch every single 
plugin or just set the right file descriptor flag once. I think the 
latter does not cause any interference and should solves some issues.

Deti