The newline is added to be compatible with old make 3.81 which is still used on MacOSX. Fixed actually by dnsimon.
------------- Commit messages: - 8301753: AppendFile needs to add a new line to be compatible with old make Changes: https://git.openjdk.org/jdk/pull/12461/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=12461&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8301753 Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod Patch: https://git.openjdk.org/jdk/pull/12461.diff Fetch: git fetch https://git.openjdk.org/jdk pull/12461/head:pull/12461 PR: https://git.openjdk.org/jdk/pull/12461
