Add missing final newlines

Used this one-liner: https://unix.stackexchange.com/a/161853

src/components/serverNotifications/gamepadtokey.js

@@ -369,4 +369,4 @@ require(['apphost'], function (appHost) {
         window.navigator.gamepadInputEmulation = "gamepad";
     }
 
-});
+});

src/components/serverNotifications/mouseManager.js

@@ -166,4 +166,4 @@ define(['inputManager', 'focusManager', 'browser', 'layoutManager', 'events', 'd
     events.on(layoutManager, 'modechange', initMouse);
 
     return self;
-});
+});