Bugfix - did not select 1 if both ffmpeg and avconv detected.
Bugfix - did not select 1 if both ffmpeg and avconv detected.

bbc/dvbcss-synctiming,tjenkinson/dvbcss-synctiming,tjenkinson/dvbcss-synctiming,ramdhany/dvbcss-synctiming,bbc/dvbcss-synctiming,ramdhany/dvbcss-synctiming