[jdk11u-dev] RFR: 8247510: typo in IllegalHandshakeMessage

[Martin Doerr]

Clean backport of JDK-8247510.

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Commit messages:
 - Backport 1faed205dfbc47def8fa9eb5db4dc337db53b9dc

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/536/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=536&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8247510
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/536.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/536/head:pull/536

PR: https://git.openjdk.java.net/jdk11u-dev/pull/536