Merge branch 'master' into jgrpp-beta

# Conflicts:
#	src/saveload/cargopacket_sl.cpp
#	src/saveload/cheat_sl.cpp
#	src/saveload/company_sl.cpp
#	src/saveload/engine_sl.cpp
#	src/saveload/map_sl.cpp
#	src/saveload/order_sl.cpp
#	src/saveload/saveload.cpp
#	src/saveload/saveload.h
#	src/saveload/station_sl.cpp
#	src/saveload/vehicle_sl.cpp
#	src/settings.cpp
#	src/settings_gui.cpp
#	src/settings_internal.h
#	src/stdafx.h
#	src/table/settings/settings.ini
#	src/town_cmd.cpp
#	src/vehicle.cpp

src/industry_cmd.cpp

@@ -2213,8 +2213,7 @@ static Industry *CreateNewIndustry(TileIndex tile, IndustryType type, IndustryAv
 	uint32 seed2 = Random();
 	Industry *i = nullptr;
 	size_t layout_index = RandomRange((uint32)indspec->layouts.size());
-	CommandCost ret = CreateNewIndustryHelper(tile, type, DC_EXEC, indspec, layout_index, seed, GB(seed2, 0, 16), OWNER_NONE, creation_type, &i);
-	(void)ret; // assert only
+	[[maybe_unused]] CommandCost ret = CreateNewIndustryHelper(tile, type, DC_EXEC, indspec, layout_index, seed, GB(seed2, 0, 16), OWNER_NONE, creation_type, &i);
 	assert(i != nullptr || ret.Failed());
 	return i;
 }