Clean up of various issues related to error handling and memory management -------------
Commit messages: - Fix memory leak - Fixup getAllInterfacesAndAddresses - Fixup getAddrsFromAdapter - Fixup enumAddresses_win - Fixup enumAddresses_win_ipaddrtable - Remove special handling for GetIfTable failure Changes: https://git.openjdk.java.net/jdk/pull/6090/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=6090&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8275640 Stats: 26 lines in 2 files changed: 11 ins; 10 del; 5 mod Patch: https://git.openjdk.java.net/jdk/pull/6090.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/6090/head:pull/6090 PR: https://git.openjdk.java.net/jdk/pull/6090
