Fix for issue 10427 (#10428)

Fix for issue 10427 - Tk should equal N not 1

plugins/PrivacyManager/DoNotTrackHeaderChecker.php

@@ -49,8 +49,10 @@ class DoNotTrackHeaderChecker
 
             // this is an optional supplement to the site's tracking status resource at:
             //     /.well-known/dnt
-            // per Tracking Preference Expression (draft)
-            Common::sendHeader('Tk: 1');
+            // per Tracking Preference Expression
+            
+            //Tracking Perference Expression has been updated to require Tk: N rather than Tk: 1
+            Common::sendHeader('Tk: N');
         }
     }