Fix for various memory leaks in Nimbus and Motif L&Fs, see comments inline.
------------- Commit messages: - initial fix Changes: https://git.openjdk.java.net/jdk/pull/595/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=595&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8240709 Stats: 111 lines in 4 files changed: 67 ins; 18 del; 26 mod Patch: https://git.openjdk.java.net/jdk/pull/595.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/595/head:pull/595 PR: https://git.openjdk.java.net/jdk/pull/595
