hg: jdk9/client/jdk: 8081019: Check peer to null in CPlatformWindow.checkZoom()

[alexandr.scherbatiy at oracle.com]

Changeset: 17d0b74707e5
Author:    alexsch
Date:      2015-06-01 17:46 +0400
URL:       http://hg.openjdk.java.net/jdk9/client/jdk/rev/17d0b74707e5

8081019: Check peer to null in CPlatformWindow.checkZoom()
Reviewed-by: serb, azvegint

! src/java.desktop/macosx/classes/sun/lwawt/macosx/CPlatformWindow.java
+ test/javax/swing/JOptionPane/8081019/bug8081019.java