Add missing #include <cerrno> in string_to_number.cc

Add missing #include <cerrno> in string_to_number.cc

One of our toolchains does not expose |errno| in the global namespace.

BUG=none

Review-Url: https://codereview.webrtc.org/2926273002
Cr-Commit-Position: refs/heads/master@{#18506}
Committed: https://chromium.googlesource.com/external/webrtc/+/6baee78bc9c72e96e4600bc17ccfb476dd558583

[hugoh_UTC2, 2017-06-08 13:17:32]

hugoh@opera.com changed reviewers:
+ kwiberg@webrtc.org

[hugoh_UTC2, 2017-06-08 13:17:32]

kwiberg@ could you PTAL at this trival change?

[kwiberg-webrtc, 2017-06-08 23:10:19]

The CQ bit was checked by kwiberg@webrtc.org

[kwiberg-webrtc, 2017-06-08 23:10:20]

lgtm

[commit-bot: I haz the power, 2017-06-08 23:10:29]

CQ is trying da patch.

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

[commit-bot: I haz the power, 2017-06-08 23:38:40]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1496963419671980, "parent_rev":
"46537a3879755d29c2c4dde65c6a713c8cca8df4", "commit_rev":
"6baee78bc9c72e96e4600bc17ccfb476dd558583"}

[commit-bot: I haz the power, 2017-06-08 23:38:43]

Description was changed from

==========
Add missing #include <cerrno> in string_to_number.cc

One of our toolchains does not expose |errno| in the global namespace.

BUG=none
==========

to

==========
Add missing #include <cerrno> in string_to_number.cc

One of our toolchains does not expose |errno| in the global namespace.

BUG=none

Review-Url: https://codereview.webrtc.org/2926273002
Cr-Commit-Position: refs/heads/master@{#18506}
Committed:
https://chromium.googlesource.com/external/webrtc/+/6baee78bc9c72e96e4600bc17...
==========

[commit-bot: I haz the power, 2017-06-08 23:38:44]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/webrtc/+/6baee78bc9c72e96e4600bc17...