In practice, this is useless.

Pipes are not supported on WinCE

This fixes the framework loading on runtime.

This was used by the (also broken) mozilla plugin only and needs to be replaced with a 10.5 SDK compatible 64bit capable re-write.

should be tested with SPDIF devices

Especially, when it is deprecated since a very long time.

This works around Qt4 QProcess getting stuck waiting for its
SIGCHLD signal handler to be called.

We don't really want to inherit the blocked signal mask from our parent.

This reverts commit 96c7f9c2.
This did not work with KDE 4.6 anyhow.