Fix two NULL-deref

airsonic-main/src/main/java/org/airsonic/player/controller/HLSController.java

@@ -71,7 +71,7 @@ public class HLSController {
 
         response.setHeader("Access-Control-Allow-Origin", "*");
 
-        int id = ServletRequestUtils.getIntParameter(request, "id");
+        int id = ServletRequestUtils.getIntParameter(request, "id", 0);
         MediaFile mediaFile = mediaFileService.getMediaFile(id);
         Player player = playerService.getPlayer(request, response);
         String username = player.getUsername();

airsonic-main/src/main/java/org/airsonic/player/controller/StatusChartController.java

@@ -63,7 +63,7 @@ public class StatusChartController extends AbstractChartController {
     @RequestMapping(method = RequestMethod.GET)
     public synchronized ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
         String type = request.getParameter("type");
-        int index = ServletRequestUtils.getIntParameter(request, "index");
+        int index = ServletRequestUtils.getIntParameter(request, "index", 0);
 
         List<TransferStatus> statuses = Collections.emptyList();
         if ("stream".equals(type)) {