gn: Enforce braces after 'else'

R=brettw@chromium.org
BUG=434508

Review URL: https://codereview.chromium.org/996893002

Cr-Original-Commit-Position: refs/heads/master@{#319975}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 3d5823f1b9b8220cacd112aaa9f97793e0b8317e
2 files changed
tree: 1ac2f75b6e599c9523f56d8437a2ef6c42f459a6
  1. tools/