Ticket #12339: 12339.patch

wp-admin/js/custom-navigation-dynamic-functions.dev.js

@@ -180 +180 @@
                 inputdescription = '';
         }
 
-        var count=document.getElementById('custom-nav').getElementsByTagName('li').length;
+        var count=document.getElementById('custom-nav').getElementsByTagName('li').length + 1;
 
         var randomnumber = count;