Fix compilation with Xcode 6.0.1

Fix compilation with Xcode 6.0.1

Apply Xcode 6.0 fix to all following versions of Xcode (it's great that
gyp does support python string ordering).

BUG=385030
Committed: https://crrev.com/f1994cefc7b38467ad408e79b1b8a1e3e4d50b5a
Cr-Commit-Position: refs/heads/master@{#295699}

[sdefresne, 2014-09-19 11:28:15]

sdefresne@chromium.org changed reviewers:
+ droger@chromium.org

[sdefresne, 2014-09-19 11:28:16]

PTAL

[sdefresne, 2014-09-19 11:30:34]

sdefresne@chromium.org changed reviewers:
+ rohitrao@chromium.org

[sdefresne, 2014-09-19 11:30:40]

+rohitrao for OWNERS

[droger, 2014-09-19 11:32:46]

lgtm

[sdefresne, 2014-09-19 13:01:53]

sdefresne@chromium.org changed reviewers:
+ lliabraa@chromium.org
- rohitrao@chromium.org

[sdefresne, 2014-09-19 13:02:10]

-rohitrao, +lliabraa for OWNERS

[lliabraa, 2014-09-19 13:08:38]

lgtm

thanks!

[sdefresne, 2014-09-19 13:08:58]

The CQ bit was checked by sdefresne@chromium.org

[commit-bot: I haz the power, 2014-09-19 13:09:20]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/589493002/1

[commit-bot: I haz the power, 2014-09-19 14:07:03]

Committed patchset #1 (id:1) as 2c7624a1a23b2a2e59cbb3792b5f4a6f67bf437c

[commit-bot: I haz the power, 2014-09-19 14:07:37]

Patchset 1 (id:??) landed as
https://crrev.com/f1994cefc7b38467ad408e79b1b8a1e3e4d50b5a
Cr-Commit-Position: refs/heads/master@{#295699}