[oe] [meta-multimedia][dora] backport request libao patch

[patrick patat]

Hello,

Is it possible to backport this patch
http://cgit.openembedded.org/meta-openembedded/commit/?id=153372542a75625cda97b864afc25b3cac54772d
to
dora?
Without this we can't install libao plugins.

Thanks,

Patrick