Fixes CVE-2018-5146: Prevent out-of-bounds write in codebook decoding.
Drop 0001-CVE-2017-14633-Don-t-allow-for-more-than-256-channel.patch and
0002-CVE-2017-14632-vorbis_analysis_header_out-Don-t-clea.patch as they are
now upstream, and add a hash for the license file while we're at it.
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit eca03d6774)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>