[smplayer/f31] (4 commits) ...Fix and vailidate appdata
Summary of changes:
e84b5bf... Update helper script (*)
937e56a... Add BR qt5-qtbase-private-devel (*)
852340e... - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass (*)
fe746f5... Fix and vailidate appdata (*)
(*) This commit already existed in another branch; no separate mail sent