Fix minor memory leaks in libjdwp. -------------
Commit messages: - Memory leaks in libjdwp Changes: https://git.openjdk.org/jdk/pull/12716/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=12716&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8303071 Stats: 6 lines in 2 files changed: 5 ins; 0 del; 1 mod Patch: https://git.openjdk.org/jdk/pull/12716.diff Fetch: git fetch https://git.openjdk.org/jdk pull/12716/head:pull/12716 PR: https://git.openjdk.org/jdk/pull/12716
