Updated mediawiki/extensions
Project: mediawiki/extensions/Translate  9a70fe12f0c7107233a12e4f76a94e03e36f0282
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Fix one place to use TranslateUtils::normalisekey

When the normalization was changed, this was not updated and
caused bugs for example with translation of messages in
AggregateMessageGroups.

Change-Id: I486a57053966fba0733b7da3315144cc187efe14