sqlite: Fix undefined behavior in ICU extension.

Bug: 718360
Change-Id: If0a8b84bf4eb6252f2b64c070f305a9c2685542b
Reviewed-on: https://chromium-review.googlesource.com/677738
Reviewed-by: Chris Mumford <cmumford@chromium.org>
Commit-Queue: Victor Costan <pwnall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#503620}
3 files changed