[jdk15u-dev] RFR: 8256538: Fix annoying awk warning in configure for java versions

[Yuri Nesterenko]

15u is the only still affected by this issue release; should be fixed.

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Commit messages:
 - Backport 3110d589e126af5bcc7a96661a98c4dd97d8cf91

Changes: https://git.openjdk.org/jdk15u-dev/pull/244/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk15u-dev&pr=244&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8256538
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk15u-dev/pull/244.diff
  Fetch: git fetch https://git.openjdk.org/jdk15u-dev pull/244/head:pull/244

PR: https://git.openjdk.org/jdk15u-dev/pull/244