Updated mediawiki/extensions
Project: mediawiki/extensions/ZeroRatedMobileAccess  2ea1dbedbff478272582fe054e476eb1f4616789

Another debug output for ESI beta testing

This patch should not affect production -- X-FORCE-ESI is unset
by varnish.

Change-Id: I8ff0f41a6b38cd876754ae8c5a889117c4889324