linux: Build third-party code with -Wunused-result.

linux: Build third-party code with -Wunused-result.

Part of an effort to make warning flags consistent across platforms.

BUG=574077
Committed: https://crrev.com/09874b50f59f11ddd1268d6da87989ae09f07bfb
Cr-Commit-Position: refs/heads/master@{#367355}

[Nico, 2016-01-04 15:36:16]

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

[Lei Zhang, 2016-01-04 19:56:18]

lgtm

[Nico, 2016-01-04 19:58:40]

The CQ bit was checked by thakis@chromium.org

[commit-bot: I haz the power, 2016-01-04 20:00:42]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1559903002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1559903002/1

[commit-bot: I haz the power, 2016-01-04 20:11:07]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-01-04 20:12:48]

Description was changed from

==========
linux: Build third-party code with -Wunused-result.

Part of an effort to make warning flags consistent across platforms.

BUG=574077
==========

to

==========
linux: Build third-party code with -Wunused-result.

Part of an effort to make warning flags consistent across platforms.

BUG=574077

Committed: https://crrev.com/09874b50f59f11ddd1268d6da87989ae09f07bfb
Cr-Commit-Position: refs/heads/master@{#367355}
==========

[commit-bot: I haz the power, 2016-01-04 20:12:49]

Patchset 1 (id:??) landed as
https://crrev.com/09874b50f59f11ddd1268d6da87989ae09f07bfb
Cr-Commit-Position: refs/heads/master@{#367355}