Codechange: use std::unique_ptr for receiving network packets

src/network/core/tcp_game.cpp

@@ -135,10 +135,9 @@ NetworkRecvStatus NetworkGameSocketHandler::HandlePacket(Packet *p)
  */
 NetworkRecvStatus NetworkGameSocketHandler::ReceivePackets()
 {
-	Packet *p;
+	std::unique_ptr<Packet> p;
 	while ((p = this->ReceivePacket()) != nullptr) {
-		NetworkRecvStatus res = HandlePacket(p);
-		delete p;
+		NetworkRecvStatus res = HandlePacket(p.get());
 		if (res != NETWORK_RECV_STATUS_OKAY) return res;
 	}