hg: macosx-port/macosx-port/jdk: Fixed MACOSX_PORT-155: ScreenMenuBar: need to dismantle existing ScreenMenuBar when switching from Aqua L&F to Metal L&F

[bino at apple.com]

Changeset: 64ab9bc2966b
Author:    bino at apple.com
Date:      2011-07-11 14:43 -0700
URL:       http://hg.openjdk.java.net/macosx-port/macosx-port/jdk/rev/64ab9bc2966b

Fixed MACOSX_PORT-155: ScreenMenuBar: need to dismantle existing ScreenMenuBar when switching from Aqua L&F to Metal L&F

! src/macosx/classes/sun/lwawt/macosx/CPlatformWindow.java
! src/macosx/native/sun/awt/CMenuBar.m