Explicitly remove old global ref value from menu->jCallback. This avoids the possibility of that value (which can be reused for other refs) to be deleted twice.
------------- Commit messages: - Explicitly remove old global ref value from menu->jCallback. Changes: https://git.openjdk.org/jfx/pull/1388/files Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1388&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8327177 Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod Patch: https://git.openjdk.org/jfx/pull/1388.diff Fetch: git fetch https://git.openjdk.org/jfx.git pull/1388/head:pull/1388 PR: https://git.openjdk.org/jfx/pull/1388
