nightly build fails as of r862

[Jan Beich]

AN <andy at neu.net> writes:

> In file included from ../../../../../../media/webrtc/trunk/src/modules/audio_device/main/source/linux/audio_mixer_manager_alsa_linux.h:19:0,
>                  from ../../../../../../media/webrtc/trunk/src/modules/audio_device/main/source/linux/audio_device_alsa_linux.h:16,
>                  from /home/root/ff_nightly/work/mozilla-central-78e058c75a38/media/webrtc/trunk/src/modules/audio_device/main/source/audio_device_impl.cc:35:
> ../../../../../../dist/system_wrappers/alsa/asoundlib.h:3:33: fatal error: alsa/asoundlib.h: No such file or directory

WebRTC does not yet build on BSDs, see www/chromium.
ALSA is not the only thing it needs.

> Seems maybe new sound options are a problem?

No, upstream flipped the option (bug#771248).