Fix: Compiler warnings about memsetting non-trivial classes

src/cargotype.cpp

@@ -42,8 +42,8 @@ void SetupCargoForClimate(LandscapeID l)
 	assert(l < lengthof(_default_climate_cargo));
 
 	/* Reset and disable all cargo types */
-	memset(CargoSpec::array, 0, sizeof(CargoSpec::array));
 	for (CargoID i = 0; i < lengthof(CargoSpec::array); i++) {
+		*CargoSpec::Get(i) = {};
 		CargoSpec::Get(i)->bitnum = INVALID_CARGO;
 
 		/* Set defaults for newer properties, which old GRFs do not know */

src/network/network_gui.cpp

@@ -1580,7 +1580,7 @@ struct NetworkLobbyWindow : public Window {
 				NetworkTCPQueryServer(NetworkAddress(_settings_client.network.last_host, _settings_client.network.last_port)); // company info
 				NetworkUDPQueryServer(NetworkAddress(_settings_client.network.last_host, _settings_client.network.last_port)); // general data
 				/* Clear the information so removed companies don't remain */
-				memset(this->company_info, 0, sizeof(this->company_info));
+				for (auto &company : this->company_info) company = {};
 				break;
 		}
 	}