Fix: () => { } -> function() { }

src/web/maestro/maestro_test_account_app_menu.html

@@ -22,7 +22,7 @@
 				"./../server/maestro/maestro_test_account.php",
 				"",
 
-				(jsonData) => {
+				function(jsonData) {
 					let maestroID = jsonData["maestroID"];
 					let playerID = jsonData["playerID"];
 					let playerName = jsonData["playerName"];
@@ -37,7 +37,7 @@
 					location.href = "./../client/menu_app.html";
 				},
 
-				(errorMessage, errorCode) => {
+				function(errorMessage, errorCode) {
 					if($("#error_message").length) {
 						$("#error_message").text(errorMessage);
 					}