Log Message:
PC6001VX: update to 4.2.10. (bug fixes)

pkgsrc changes:
* sync ffmpeg version with qt6-qtmultimedia

Upstream changes:
 http://eighttails.seesaa.net/article/506411600.html

* Fixed an issue where the status bar may become garbled.
* Fixed an issue where sound might not play.
* (Windows) Fixed an issue where the menu may not be displayed
  when in full screen.