Codechange: Remove ZeroedMemoryAllocator from network socket handlers. (#13377)

Prefer member default initialisation instead.

src/network/network_server.h

@@ -23,7 +23,7 @@ extern NetworkClientSocketPool _networkclientsocket_pool;
 /** Class for handling the server side of the game connection. */
 class ServerNetworkGameSocketHandler : public NetworkClientSocketPool::PoolItem<&_networkclientsocket_pool>, public NetworkGameSocketHandler, public TCPListenHandler<ServerNetworkGameSocketHandler, PACKET_SERVER_FULL, PACKET_SERVER_BANNED> {
 protected:
-	std::unique_ptr<class NetworkAuthenticationServerHandler> authentication_handler; ///< The handler for the authentication.
+	std::unique_ptr<class NetworkAuthenticationServerHandler> authentication_handler = nullptr; ///< The handler for the authentication.
 	std::string peer_public_key; ///< The public key of our client.
 
 	NetworkRecvStatus Receive_CLIENT_JOIN(Packet &p) override;
@@ -64,15 +64,15 @@ public:
 		STATUS_END,           ///< Must ALWAYS be on the end of this list!! (period).
 	};
 
-	uint8_t lag_test;               ///< Byte used for lag-testing the client
-	uint8_t last_token;             ///< The last random token we did send to verify the client is listening
-	uint32_t last_token_frame;     ///< The last frame we received the right token
-	ClientStatus status;         ///< Status of this client
+	uint8_t lag_test = 0; ///< Byte used for lag-testing the client
+	uint8_t last_token = 0; ///< The last random token we did send to verify the client is listening
+	uint32_t last_token_frame = 0; ///< The last frame we received the right token
+	ClientStatus status = STATUS_INACTIVE; ///< Status of this client
 	CommandQueue outgoing_queue; ///< The command-queue awaiting delivery; conceptually more a bucket to gather commands in, after which the whole bucket is sent to the client.
-	size_t receive_limit;        ///< Amount of bytes that we can receive at this moment
+	size_t receive_limit = 0; ///< Amount of bytes that we can receive at this moment
 
-	std::shared_ptr<struct PacketWriter> savegame; ///< Writer used to write the savegame.
-	NetworkAddress client_address; ///< IP-address of the client (so they can be banned)
+	std::shared_ptr<struct PacketWriter> savegame = nullptr; ///< Writer used to write the savegame.
+	NetworkAddress client_address{}; ///< IP-address of the client (so they can be banned)
 
 	ServerNetworkGameSocketHandler(SOCKET s);
 	~ServerNetworkGameSocketHandler();