Codechange: Use Recv/Send_bytes for md5sum. (#12602)

Use existing functions to handle serialisation of arrays instead of indexed for-loop.

src/network/core/network_game_info.cpp

@@ -375,9 +375,7 @@ void DeserializeNetworkGameInfo(Packet &p, NetworkGameInfo &info, const GameInfo
 void SerializeGRFIdentifier(Packet &p, const GRFIdentifier &grf)
 {
 	p.Send_uint32(grf.grfid);
-	for (size_t j = 0; j < grf.md5sum.size(); j++) {
-		p.Send_uint8(grf.md5sum[j]);
-	}
+	p.Send_bytes(grf.md5sum);
 }
 
 /**
@@ -388,9 +386,7 @@ void SerializeGRFIdentifier(Packet &p, const GRFIdentifier &grf)
 void DeserializeGRFIdentifier(Packet &p, GRFIdentifier &grf)
 {
 	grf.grfid = p.Recv_uint32();
-	for (size_t j = 0; j < grf.md5sum.size(); j++) {
-		grf.md5sum[j] = p.Recv_uint8();
-	}
+	p.Recv_bytes(grf.md5sum);
 }
 
 /**

src/network/network_content.cpp

@@ -63,9 +63,7 @@ bool ClientNetworkContentSocketHandler::Receive_SERVER_INFO(Packet &p)
 	ci->description = p.Recv_string(NETWORK_CONTENT_DESC_LENGTH, SVS_REPLACE_WITH_QUESTION_MARK | SVS_ALLOW_NEWLINE);
 
 	ci->unique_id = p.Recv_uint32();
-	for (size_t j = 0; j < ci->md5sum.size(); j++) {
-		ci->md5sum[j] = p.Recv_uint8();
-	}
+	p.Recv_bytes(ci->md5sum);
 
 	uint dependency_count = p.Recv_uint8();
 	ci->dependencies.reserve(dependency_count);
@@ -276,10 +274,7 @@ void ClientNetworkContentSocketHandler::RequestContentList(ContentVector *cv, bo
 		p->Send_uint8((uint8_t)ci->type);
 		p->Send_uint32(ci->unique_id);
 		if (!send_md5sum) continue;
-
-		for (size_t j = 0; j < ci->md5sum.size(); j++) {
-			p->Send_uint8(ci->md5sum[j]);
-		}
+		p->Send_bytes(ci->md5sum);
 	}
 
 	this->SendPacket(std::move(p));