RFR: 8292232: AIX build failure by JDK-8290840

[Ichiroh Takiguchi]

`void *` should be `const void *` for `os::Aix::platform_print_native_stack()`.
It's just for AIX platform and low risk.

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Commit messages:
 - 8292232: AIX build failure by JDK-8290840

Changes: https://git.openjdk.org/jdk/pull/9836/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=9836&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8292232
  Stats: 2 lines in 2 files changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/9836.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9836/head:pull/9836

PR: https://git.openjdk.org/jdk/pull/9836