Updated mediawiki/extensions
Project: mediawiki/extensions/WikiLexicalData  d530da0f4f3e55e4f00e413c8bb1d4fbc15c62b2

optional collation

Since my local php copy does not have the Collator class, I need this
routine so that I can use Preference.  Kindly check if this works when
Collator class exist.

Change-Id: I1843c3b0968484da5a6cfacf039e91583824a51e