message: NPE check to make gcc 11 happy
diff: @@ -3448,6 +3448,9 @@ bool Npc::setInteraction(Interactive *id, bool quick) {
  return false;
  }
  + if(id==nullptr)
  + return true;
  +
  if(id->attach(*this)) {
  currentInteract = id;
  if(!quick) {
  