Fix: do not use lengthof() for non C-style arrays

(cherry picked from commit c544a2be0ab457ad16ed274f597e026016e3fb2e)

src/network/network_gui.cpp

@@ -2266,7 +2266,7 @@ struct NetworkCompanyPasswordWindow : public Window {
 	QueryString password_editbox; ///< Password editbox.
 	Dimension warning_size;       ///< How much space to use for the warning text
 
-	NetworkCompanyPasswordWindow(WindowDesc *desc, Window *parent) : Window(desc), password_editbox(lengthof(_settings_client.network.default_company_pass))
+	NetworkCompanyPasswordWindow(WindowDesc *desc, Window *parent) : Window(desc), password_editbox(NETWORK_PASSWORD_LENGTH)
 	{
 		this->InitNested(0);
 		this->UpdateWarningStringSize();

src/newgrf.cpp

@@ -11161,7 +11161,7 @@ static void FinaliseIndustriesArray()
 
 	for (auto &indtsp : _industry_tile_specs) {
 		/* Apply default cargo translation map for unset cargo slots */
-		for (uint i = 0; i < lengthof(indtsp.accepts_cargo); ++i) {
+		for (size_t i = 0; i < indtsp.accepts_cargo.size(); ++i) {
 			if (!IsValidCargoID(indtsp.accepts_cargo[i])) indtsp.accepts_cargo[i] = GetCargoIDByLabel(GetActiveCargoLabel(indtsp.accepts_cargo_label[i]));
 		}
 	}

src/settings.cpp

@@ -2484,7 +2484,7 @@ static void GraphicsSetLoadConfig(IniFile &ini)
 
 		if (const IniItem *item = group->GetItem("extra_params"); item != nullptr && item->value) {
 			auto &extra_params = BaseGraphics::ini_data.extra_params;
-			extra_params.resize(lengthof(GRFConfig::param));
+			extra_params.resize(0x80); // TODO: make ParseIntList work nicely with C++ containers
 			int count = ParseIntList(item->value->c_str(), &extra_params.front(), extra_params.size());
 			if (count < 0) {
 				SetDParamStr(0, BaseGraphics::ini_data.name);