RFR: 8320798: Console read line with zero out should zero out when throwing exception

[Goetz Lindenmaier]

…g exception

After leaving the method by throwing an exception the data can not be cleaned any more.

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Commit messages:
 - 8320798: Console read line with zero out should zero out when throwing exception

Changes: https://git.openjdk.org/jdk/pull/17156/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=17156&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8320798
  Stats: 10 lines in 1 file changed: 9 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/17156.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17156/head:pull/17156

PR: https://git.openjdk.org/jdk/pull/17156