Fix AdvancedWebServer.ino uptime conversion (espressif#9224)

* fix(examples): Fix AdvancedWebServer.ino uptime conversion

* Fix build error

---------

Co-authored-by: Me No Dev <me-no-dev@users.noreply.github.com>

Author: cydanil

libraries/WebServer/examples/AdvancedWebServer/AdvancedWebServer.ino

@@ -44,8 +44,9 @@ void handleRoot() {
   digitalWrite(led, 1);
   char temp[400];
   int sec = millis() / 1000;
-  int min = sec / 60;
-  int hr = min / 60;
+  int hr = sec / 3600;
+  int min = (sec / 60) % 60;
+  sec = sec % 60;
 
   snprintf(temp, 400,
 
@@ -64,7 +65,7 @@ void handleRoot() {
   </body>\
 </html>",
 
-           hr, min % 60, sec % 60
+           hr, min, sec
           );
   server.send(200, "text/html", temp);
   digitalWrite(led, 0);