Fixes (by anv)
- fix: comparison feature would sometimes show comparison with empty sector inventory slots,
- fix: enemy taunts aimed at NOBODY could cause out of range,
- fix: list of boxers fought per day is properly reset when fight club reopens,
- fix: Van Haussen won't offer a fight or accept bets if all boxers are dead (even if our mercs stand on corpses),
- fix: boxing opponents won't try to call reinforcements any more.
git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@7263 3b4a5df2-a311-0410-b5c6-a8a6f20db521