[lightspark/f33] (7 commits) ...Fix build with ffmpeg 4.5

Summary of changes: 0307b18... Rebuilt for new ffmpeg snapshot (*) 241c6fb... - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass (*) 77ef283... - Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass (*) 5b09673... Update to 0.8.5 (*) e4df745... Rebuilt for new ffmpeg snapshot (*) 15c93c6... Fix build for EL7 (gcc 4.8) (*) 9a67f54... Fix build with ffmpeg 4.5 (*) (*) This commit already existed in another branch; no separate mail sent