qdm2: check output buffer size before decoding

(cherry picked from commit 7d49f79f1cd47783a963a757a6563b9cac29db62)

Signed-off-by: Reinhard Tartler <siretart@tauware.de>
(cherry picked from commit 73472053516f82b7d273a3d42c583f894077a191)

Conflicts:

	libavcodec/qdm2.c
(cherry picked from commit cfb9b47a1ecdc9e88e6561aa213d98245ee70267)

Signed-off-by: Reinhard Tartler <siretart@tauware.de>
1 file changed