Bugzilla Weekly Bug Summary: Fix inappropriate SQL query condition

Won't magically fix the empty 'Top 10 people who most quickly fixed
a report' on https://bugzilla.wikimedia.org/weekly-bug-summary.cgi,
but at least we get closer.

Bug: 42496
Change-Id: I8854d0a75ec28cd7496ae8b0c8cba6981b0eb567
Merge "Bugzilla Weekly Bug Summary: Fix inappropriate SQL query condition"