message: Fix /unsummonW crash on non-mob NPCs
diff: @@ -284,6 +284,7 @@ void unsummonWCommand(std::string full, std::vector<std::string>& args, CNSocket
  return;
  }
  + if (MobManager::Mobs.find(npc->appearanceData.iNPC_ID) != MobManager::Mobs.end()) {
  int leadId = ((Mob*)npc)->groupLeader;
  if (leadId != 0) {
  if (MobManager::Mobs.find(leadId) == MobManager::Mobs.end()) {
  @@ -306,6 +307,7 @@ void unsummonWCommand(std::string full, std::vector<std::string>& args, CNSocket
  ChatManager::sendServerMessage(sock, "/unsummonW: Mob group destroyed.");
  return;
  }
  + }
  ChatManager::sendServerMessage(sock, "/unsummonW: removed mob with type: " + std::to_string(npc->appearanceData.iNPCType) +
  ", id: " + std::to_string(npc->appearanceData.iNPC_ID));
  