[crac] RFR: Fix recursiveCheckpoint/Test passing extra comma

[Radim Vansa]

Caused by ddf6a0550ddb2d6aa61640bb82317c003e52df3d

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Commit messages:
 - Fix recursiveCheckpoint/Test passing extra comma

Changes: https://git.openjdk.org/crac/pull/83/files
 Webrev: https://webrevs.openjdk.org/?repo=crac&pr=83&range=00
  Stats: 4 lines in 1 file changed: 2 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/crac/pull/83.diff
  Fetch: git fetch https://git.openjdk.org/crac.git pull/83/head:pull/83

PR: https://git.openjdk.org/crac/pull/83