typo

Change-Id: I8b53259a0fff8078f31fb69c8a0f4bf4e110423c
Fix timezone bug in next_sched search

This bug would prevent any self-recurrence for <tzoffset> hours
per day, by scanning a next_sched range which did not include the
current day.

Change-Id: Ib17a8383ca7e3824e1f051f56be1237756cabd55