Add initial stuff for AAC support, now we just need to write the decoder git-svn-id: https://svn.musicpd.org/mpd/trunk@264 09075e82-0dd4-0310-85a5-a0d7c8717e4f
git-svn-id: https://svn.musicpd.org/mpd/trunk@237 09075e82-0dd4-0310-85a5-a0d7c8717e4f
git-svn-id: https://svn.musicpd.org/mpd/trunk@1 09075e82-0dd4-0310-85a5-a0d7c8717e4f