[ffms2/el7] (10 commits) ...Rebuild for ffmpeg-3.4.5 on el7

Summary of changes: d0dee6a... - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass (*) 16dc340... Rebuild for ffmpeg update (*) 1e9bd50... - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass (*) 7882d84... - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass (*) 1d1e32c... Rebuilt for ffmpeg-3.5 git (*) 408bf2a... - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass (*) 9747488... - Rebuilt for new ffmpeg snapshot (*) 25405c2... - Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass (*) 19c7f55... Rebuild for ffmpeg-3.4.5 on el7 (*) d2fa180... Rebuild for ffmpeg-3.4.5 on el7 (*) This commit already existed in another branch; no separate mail sent