R1:16accb591cc1

STRICT_ALL_TABLES fix for a Herald column

Summary: Casting a PHP bool to a MySQL `TINYINT(1)`!

Test Plan: This broke during arc diff; with this patch, arc diff now works!

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4999