message: fix crash in aiGoToNpc
diff: @@ -345,7 +345,7 @@ std::array<float,3> MoveAlgo::npcMoveSpeed(uint64_t dt,bool fai) {
  npc.currentGoToNpc=nullptr;
  return {};
  }
  - return go2NpcMoveSpeed(dp,*npc.currentTarget);
  + return go2NpcMoveSpeed(dp,*npc.currentGoToNpc);
  }
  if(npc.currentGoTo) {
  