RFR: 8252577: HotSpot Style Guide should link to One-True-Brace-Style description

[Kim Barrett]

Please review this change to provide a link to the Wikipedia description of
One-True-Brace-Style.

As this is a HotSpot Style Guide change, it requires reviewers who are HotSpot
Group Members, though comments from others are welcome.

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Commit messages:
 - update html
 - add OTBS link

Changes: https://git.openjdk.java.net/jdk/pull/7692/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=7692&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8252577
  Stats: 4 lines in 2 files changed: 2 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7692.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7692/head:pull/7692

PR: https://git.openjdk.java.net/jdk/pull/7692