Updated mediawiki/extensions
Project: mediawiki/extensions/LocalisationUpdate  2432c41dc5b4dcedaa3d02e64c7103cbf8da5f08

Use LocalisationCache::getMessagesDirs()

Depends on I2399ddd7fd in mediawiki/core which makes the method
public.

Change-Id: Ic8fb0b2ab127c20518a055c0b4f8bc28980c9123