win: Remove non-existent -I flag.

No behavior change.

Bug: none
Change-Id: I4f7b25aaa6edb1462e7691a0ea0277e5a9354e3b
Reviewed-on: https://chromium-review.googlesource.com/c/1427462
Reviewed-by: Hans Wennborg <hans@chromium.org>
Commit-Queue: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#624906}
1 file changed