clang/win: Try to fix build after https://codereview.chromium.org/1261953003.

Apparently the trybots don't build all targets :-/

BUG=505316
TBR=brettw,robertshield

Review URL: https://codereview.chromium.org/1284523002.

Cr-Original-Commit-Position: refs/heads/master@{#342537}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: e33057019a84b903c6c12394500e4b3893d0f34e
1 file changed
tree: c4333b27f8c843a76724bf210a828f9d255547e7
  1. tools/