On Windows, suppress failure if the total space indicated by `df` is less than `FileStore::getTotalSpace` and the free space indicated by `df` equals `FileStore::getUnallocatedSpace`.
------------- Commit messages: - 8291911: java/io/File/GetXSpace.java fails with "53687091200 != 161051996160" Changes: https://git.openjdk.org/jdk/pull/9856/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=9856&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8291911 Stats: 8 lines in 2 files changed: 5 ins; 1 del; 2 mod Patch: https://git.openjdk.org/jdk/pull/9856.diff Fetch: git fetch https://git.openjdk.org/jdk pull/9856/head:pull/9856 PR: https://git.openjdk.org/jdk/pull/9856
