RFR: 8364196: G1: Fix typo in "cset_groud_gid" local variable in G1FlushHumongousCandidateRemSets

[Thomas Schatzl]

Hi all,

  please review this fix to the typo "cset_groud_gid" which should mean "cset_group_id".

Testing: local compilation

Thanks,
  Thomas

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Commit messages:
 - 8364196

Changes: https://git.openjdk.org/jdk/pull/26505/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=26505&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8364196
  Stats: 3 lines in 1 file changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/26505.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/26505/head:pull/26505

PR: https://git.openjdk.org/jdk/pull/26505