[jdk13u-dev] RFR: 8251365: Build failure on AIX after 8250636

[Sergey Nazarkin]

Mandatory backport to fix issue introduced with 8250636.
Patch applies cleanly.

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Commit messages:
 - Backport 28f963f6fc0f1c7e84d8abad395c11d38c6b5fbd

Changes: https://git.openjdk.java.net/jdk13u-dev/pull/57/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk13u-dev&pr=57&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8251365
  Stats: 11 lines in 1 file changed: 7 ins; 3 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk13u-dev/pull/57.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk13u-dev pull/57/head:pull/57

PR: https://git.openjdk.java.net/jdk13u-dev/pull/57