Log Message:
faad2: Backport some security fixes from upstream.

CVE-2018-20194:
https://github.com/knik0/faad2/commit/6b4a7cde30f2e2cb03e78ef476cc73179cfffda3.patch

CVE-2018-20362:
https://github.com/knik0/faad2/commit/466b01d504d7e45f1e9169ac90b3e34ab94aed14.patch

Misc buffer overflows:
https://github.com/knik0/faad2/commit/942c3e0aee748ea6fe97cb2c1aa5893225316174.patch