RFR: 8314119: G1: Fix -Wconversion warnings in G1CardSetInlinePtr::card_pos_for

Thu Aug 10 15:24:29 UTC 2023

Simple type change to avoid narrowing-conversion.

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Commit messages:
 - g1-uint

Changes: https://git.openjdk.org/jdk/pull/15228/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=15228&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8314119
  Stats: 2 lines in 2 files changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/15228.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15228/head:pull/15228

PR: https://git.openjdk.org/jdk/pull/15228