Fix some clang warnings with -Wmissing-braces in rlz.

Fix some clang warnings with -Wmissing-braces in rlz.

Clang warns if there are missing braces around a subobject
initializer.

BUG=505297
Committed: https://crrev.com/f2e9443673c96bdc03319daf3ce7879156c24ad8
Cr-Commit-Position: refs/heads/master@{#337085}

[dcheng, 2015-07-01 18:34:59]

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

[Nico, 2015-07-01 18:43:12]

lgtm

The "the most common idiom" thing doesn't apply here

[dcheng, 2015-07-01 18:44:14]

On 2015/07/01 at 18:43:12, thakis wrote:
> lgtm
> 
> The "the most common idiom" thing doesn't apply here

Done.

[dcheng, 2015-07-01 18:44:16]

The CQ bit was checked by dcheng@chromium.org

[commit-bot: I haz the power, 2015-07-01 18:46:27]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1215533005/1

[commit-bot: I haz the power, 2015-07-01 19:14:56]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-07-01 19:16:00]

Patchset 1 (id:??) landed as
https://crrev.com/f2e9443673c96bdc03319daf3ce7879156c24ad8
Cr-Commit-Position: refs/heads/master@{#337085}