[ Reason ]
Fix grave #1132223 which crashes the game. According to the
related bug report #1023469 the game was last functional with
bullseye.

[ Impact ]
Cannot play the game at all.

[ Tests ]
Starting the game without the patches results in a crash.
Starting with the patches is okay.

[ Risks ]
None, trixie users are not able to play.

[ Checklist ]
  [x] *all* changes are documented in the d/changelog
  [x] I reviewed all changes and I approve them
  [x] attach debdiff against the package in (old)stable
  [x] the issue is verified as fixed in unstable

[ Changes ]
Apply two patches suggested by a Debian user.