Updated mediawiki/extensions
Project: mediawiki/extensions/Score  389d45f65d39da85ddd800111aa7433c96df3340

Fix undefined variable warning

Variable was only used to cleanup the error message (rm path info),
so it didn't really make a difference it was undefined. Not like
the temp directory = /tmp is a secret.

Change-Id: Iefcdd433272c87791b3fb2bfa562f4ee002fc97d