#845672 follow up to #360605 by Damien Tournoud, Berdir, Dave Reid: previous...

#845672 follow up to #360605 by Damien Tournoud, Berdir, Dave Reid: previous (unreleased) fix inadvertantly turned on E_DEPRECATED on machines where it was off

includes/bootstrap.inc

@@ -216,7 +216,7 @@
 
 // Hide E_DEPRECATED messages.
 if (defined('E_DEPRECATED')) {
-  error_reporting(error_reporting() ^ E_DEPRECATED);
+  error_reporting(error_reporting() & ~E_DEPRECATED);
 }
 
 /**