RFR: 8268138: docs build error after JDK-8263332 integration

[Erik Gahlin]

Hi,

Could I have a review of a fix that takes care of a couple of Javadoc issues.

Testing: make docs locally.

Thanks
Erik

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Commit messages:
 - Initial

Changes: https://git.openjdk.java.net/jdk/pull/4319/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=4319&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8268138
  Stats: 2 lines in 2 files changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4319.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4319/head:pull/4319

PR: https://git.openjdk.java.net/jdk/pull/4319