hg: caciocavallo/ng: Fix Class Cast Exception when a parent window is a ProxyWindowPeer.

[neugens.limasoftware at gmail.com]

Changeset: 72443973a53b
Author:    Mario Torre <mario.torre at aicas.com>
Date:      2010-03-09 16:55 +0100
URL:       http://hg.openjdk.java.net/caciocavallo/ng/rev/72443973a53b

Fix Class Cast Exception when a parent window is a ProxyWindowPeer.

! src/share/classes/sun/awt/peer/cacio/CacioWindowPeer.java
! src/share/classes/sun/awt/peer/cacio/ProxyWindowPeer.java