gn: fix bootstrap on windows

gn: fix bootstrap on windows

Review-Url: https://codereview.chromium.org/2883473002
Cr-Commit-Position: refs/heads/master@{#471320}
Committed: https://chromium.googlesource.com/chromium/src/+/dfb837a97c2ee14bbcfb04a8bdd1a23813cab054

[Nico, 2017-05-12 15:23:48]

The CQ bit was checked by thakis@chromium.org to run a CQ dry run

[Nico, 2017-05-12 15:24:08]

thakis@chromium.org changed reviewers:
+ scottmg@chromium.org

[Nico, 2017-05-12 15:24:08]

It seems that not many people try to use this script on Windows...

[commit-bot: I haz the power, 2017-05-12 15:24:33]

Dry run: CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[scottmg, 2017-05-12 15:25:54]

shruggy-lgtm

[Nico, 2017-05-12 15:26:20]

The CQ bit was unchecked by thakis@chromium.org

[Nico, 2017-05-12 15:26:21]

The CQ bit was checked by thakis@chromium.org

[commit-bot: I haz the power, 2017-05-12 15:26:40]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-05-12 15:52:17]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1494602781079620, "parent_rev":
"922dd693b59ee99082ab9bab9daab3822d03047a", "commit_rev":
"dfb837a97c2ee14bbcfb04a8bdd1a23813cab054"}

[commit-bot: I haz the power, 2017-05-12 15:52:28]

Description was changed from

==========
gn: fix bootstrap on windows
==========

to

==========
gn: fix bootstrap on windows

Review-Url: https://codereview.chromium.org/2883473002
Cr-Commit-Position: refs/heads/master@{#471320}
Committed:
https://chromium.googlesource.com/chromium/src/+/dfb837a97c2ee14bbcfb04a8bdd1...
==========

[commit-bot: I haz the power, 2017-05-12 15:52:29]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/dfb837a97c2ee14bbcfb04a8bdd1...