dvbtee: remove old 'listen_for_data' code remnants

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
dvbtee: fix -O parameter when using a network/file feeder rather than a tuner

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Merge branch 'master' of github.com:mkrufky/libdvbtee into qmake