RFR: 8307163: JLONG_FORMAT_SPECIFIER should be updated on Windows

[Julian Waters]

Windows no longer uses I64d anywhere in their newer compilers, instead using the conforming lld specifiers. Minor cleanup here in JLI code to reflect that

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Commit messages:
 - JLONG_FORMAT_SPECIFIER should be updated on Windows

Changes: https://git.openjdk.org/jdk/pull/13740/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=13740&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8307163
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/13740.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/13740/head:pull/13740

PR: https://git.openjdk.org/jdk/pull/13740