Conpherence - fix fatal on list view for 100+ messages
Summary: Fixes T6480. @epriestley is very popular and has over 100 messages, thus triggering this issue. fix the typo because bugs are bad.
Test Plan: set limit to 1, observed fatal, applied patch and fatal went away
Reviewers: epriestley
Reviewed By: epriestley
Subscribers: Korvin, epriestley
Maniphest Tasks: T6480
Differential Revision: https://secure.phabricator.com/D10793