Fix GlobalUsage displaying one more row than requested
Fix GlobalUsage displaying one more row than requested

Affects Special:GlobalUsage and action=query&prop=globalusage.

Follow-up to a6f4d3c0601881c272b3804177ae20f50afe5873.

Change-Id: I11e8c92bb7da8fa265573c624a68be0aecffbfa0

wikimedia/mediawiki-extensions-GlobalUsage,wikimedia/mediawiki-extensions-GlobalUsage