libdvbtee: fix build on osx

Signed-off-by: Michael Ira Krufky <mkrufky@linuxtv.org>
Merge branch 'master' into teev-qt
teev-qt: fix build on osx

Signed-off-by: Michael Ira Krufky <mkrufky@linuxtv.org>
teev-qt: fix json/json.h include

Signed-off-by: Michael Ira Krufky <mkrufky@linuxtv.org>