Updated mediawiki/extensions
Project: mediawiki/extensions/WikiGrok  cd5752602462d7c0f53b6d38fa65081273d82200

Fixing WikiGrokDebug code

item needs to be overridden before if ( !item ) check, otherwise it's
pretty useless.

Change-Id: I64785bbc7ff11520ee91213cdf4368978b1eed48