sql: Cleanup to fix the header include guards.

sql: Cleanup to fix the header include guards.

The header include guards should match the file path from root.

These entries were found using a modified version of Eric's
fix-include-guards.py script found attached in
https://code.google.com/p/chromium/issues/detail?id=435361#c7.

BUG=None
TEST=sql_unittests
R=erikwright@chromium.org

Committed: https://crrev.com/fd5d2681c7b3b935ce292257cbaf6a5bbd12e93b
Cr-Commit-Position: refs/heads/master@{#338703}

[tfarina, 2015-07-13 23:20:12]

tfarina@chromium.org changed reviewers:
+ erikwright@chromium.org
- shess@chromium.org

[tfarina, 2015-07-13 23:20:28]

Erik, could you review this while Scott is OOO?

[erikwright (departed), 2015-07-14 14:50:28]

LGTM

[tfarina, 2015-07-14 15:56:25]

The CQ bit was checked by tfarina@chromium.org

[commit-bot: I haz the power, 2015-07-14 15:57:35]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1238583002/1

[commit-bot: I haz the power, 2015-07-14 16:35:45]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-07-14 16:36:49]

Patchset 1 (id:??) landed as
https://crrev.com/fd5d2681c7b3b935ce292257cbaf6a5bbd12e93b
Cr-Commit-Position: refs/heads/master@{#338703}