[jdk11u-dev] RFR: 8278472: Invalid value set to CANDIDATEFORM structure

[Goetz Lindenmaier]

I backport this for parity with 11.0.16-oracle.

-------------

Commit messages:
 - Backport 2426d58e592c54de64ebe0f06448d239aeced082

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/934/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=934&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8278472
  Stats: 3 lines in 1 file changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/934.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/934/head:pull/934

PR: https://git.openjdk.java.net/jdk11u-dev/pull/934