Fix build with -Wextra-semi Change-Id: Ibda56f1c3ad3e2851997cba93de5bc32b4606300 Bug: chromium:1355871 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3851180 Auto-Submit: Thomas Anderson <thomasanderson@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Nico Weber <thakis@chromium.org>