RFR: 2431: Add core-libs mailing list mapping entry for src/java.base/aix/native/libjava/

[Roger Riggs]

Add to core-libs mapping "src/java.base/aix/native/libjava/"

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Commit messages:
 - SKARA-2431: Add core-libs mailing list mapping entry for src/java.base/aix/native/libjava/

Changes: https://git.openjdk.org/skara/pull/1704/files
  Webrev: https://webrevs.openjdk.org/?repo=skara&pr=1704&range=00
  Issue: https://bugs.openjdk.org/browse/SKARA-2431
  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/skara/pull/1704.diff
  Fetch: git fetch https://git.openjdk.org/skara.git pull/1704/head:pull/1704

PR: https://git.openjdk.org/skara/pull/1704