update: fix memory leak (cid #1100857)
freetype: fix potential memory leak (cid #1048945)
demux: asf: add out-of-spec guids
Map MSN Audio to MS_GSM, as it is just extensions
live555: remove read-only variable
demux: asf: fix wrong allocation size

damn ! cid 1132614/1132615
demux: asf: fix guid comparison
demux: asf: fix seek boundaries
demux: asf: ignore empty sub-payloads (fix #9990)
demux: asf: seek seekable
auhal: do not stop and restart audio unit on flush

This is a manual revert of 878169fe, which is not needed anymore.
Additionally, it fixes blayback with devices which are not fast
enough for starting up.

close #9886