message: Fix PC_ATTACK_NPCs not being marked as variadic
diff: @@ -249,7 +249,7 @@ std::map<uint32_t, PacketDesc> Packets::packets = {
  PACKET(P_FE2CL_REP_SEND_FREECHAT_MESSAGE_SUCC),
  PACKET(P_FE2CL_REP_SEND_FREECHAT_MESSAGE_FAIL),
  VAR_PACKET(P_FE2CL_PC_ATTACK_NPCs_SUCC, iNPCCnt, sAttackResult),
  - PACKET(P_FE2CL_PC_ATTACK_NPCs),
  + VAR_PACKET(P_FE2CL_PC_ATTACK_NPCs, iNPCCnt, sAttackResult),
  VAR_PACKET(P_FE2CL_NPC_ATTACK_PCs, iPCCnt, sAttackResult),
  PACKET(P_FE2CL_REP_PC_REGEN_SUCC),
  PACKET(P_FE2CL_REP_SEND_MENUCHAT_MESSAGE_SUCC),
  