fix: bots are not killable after the changelevel. fixes #143

src/botlib.cpp

@@ -2977,7 +2977,7 @@ void Bot::update () {
          if (cv_tkpunish.int_ () != 2 || util.isFakeClient (game.entityOfIndex (m_voteKickIndex))) {
             return;
          }
-         edict_t *killer = game.entityOfIndex (m_lastVoteKick);
+         auto killer = game.entityOfIndex (m_lastVoteKick);
 
          ++killer->v.frags;
          MDLL_ClientKill (killer);

src/manager.cpp

@@ -91,6 +91,7 @@ void BotManager::createKillerEntity () {
 void BotManager::destroyKillerEntity () {
    if (!game.isNullEntity (m_killerEntity)) {
       engfuncs.pfnRemoveEntity (m_killerEntity);
+      m_killerEntity = nullptr;
    }
 }