Updated mediawiki/extensions
Project: mediawiki/extensions/GoogleSiteSearch  bc571332671e5a1fb70cfdde9a815a9835e80e1e

Migrate to JSON i18n

Procedure per https://www.mediawiki.org/wiki/Manual:GenerateJsonI18n.php
with shim.

Change-Id: I26c9b51541846f3cc0590c67b50f06536222a762