Cleanup: Remove unnecessary double-semicolons.

Cleanup: Remove unnecessary double-semicolons.

The entries were found by the following command line:

$ find . -regex ".*\.[cChH]\(pp\)?" | xargs git grep -e ';;' --and --not
-e 'for *(.*;;'

Which is a combination of http://stackoverflow.com/a/3858879 and
http://gitster.livejournal.com/27674.html

BUG=None
R=mtklein@google.com

Committed: https://skia.googlesource.com/skia/+/567ff2f6143ecb993dbedede402a43feb71c420a

[mtklein, 2015-04-24 20:24:24]

lgtm

[tfarina, 2015-04-24 20:55:59]

The CQ bit was checked by tfarina@chromium.org

[commit-bot: I haz the power, 2015-04-24 20:56:06]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1088763005/1

[commit-bot: I haz the power, 2015-04-24 20:56:14]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-04-24 20:56:15]

Presubmit check for 1088763005-1 failed and returned exit status 1.

Running presubmit commit checks ...

** Presubmit ERRORS **
Since the CL is editing public API, you must have an LGTM from one of:
('reed@chromium.org', 'reed@google.com', 'bsalomon@chromium.org',
'bsalomon@google.com', 'djsollen@chromium.org', 'djsollen@google.com')

[tfarina, 2015-04-24 20:57:14]

tfarina@chromium.org changed reviewers:
+ bsalomon@google.com

[tfarina, 2015-04-24 20:57:14]

Brian, could you rubber stamp this?

[bsalomon, 2015-04-27 13:25:51]

On 2015/04/24 20:57:14, tfarina wrote:
> Brian, could you rubber stamp this?

lgtm

[tfarina, 2015-04-27 13:49:46]

The CQ bit was checked by tfarina@chromium.org

[commit-bot: I haz the power, 2015-04-27 13:49:50]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1088763005/1

[commit-bot: I haz the power, 2015-04-27 14:01:51]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/567ff2f6143ecb993dbedede402a43feb71c420a