This update for mpv fixes the following issues:

- Revert mpv back to version 0.32.0+git.20200301T004003.e7bab0025f:

* Add back BR on libsmclient-devel
* Pass --enable-libsmbclient to restore samba functionality without ffmpeg boo#1173726

This update was imported from the openSUSE:Leap:15.2:Update update project.