Support for core changes.

ui_swing/src/com/dmdirc/addons/ui_swing/components/AwayLabel.java

 
     @Handler(invocation = EdtHandlerInvocation.class)
     public void windowClosing(final FrameClosingEvent event) {
-        if (event.getContainer().equals(container)) {
+        if (event.getSource().equals(container)) {
             container.getConfigManager().getBinder().unbind(this);
             container.getEventBus().unsubscribe(this);
         }

ui_swing/src/com/dmdirc/addons/ui_swing/components/TypingLabel.java

 
     @Handler(invocation = EdtHandlerInvocation.class)
     public void windowClosing(final FrameClosingEvent event) {
-        if (event.getContainer().equals(container)) {
+        if (event.getSource().equals(container)) {
             container.getConfigManager().getBinder().unbind(this);
             container.getEventBus().unsubscribe(this);
         }

ui_swing/src/com/dmdirc/addons/ui_swing/components/frames/TextFrame.java

 
     @Handler(invocation = EdtHandlerInvocation.class)
     public void windowClosing(final FrameClosingEvent event) {
-        if (event.getContainer().equals(getContainer())) {
+        if (event.getSource().equals(getContainer())) {
             if (popout) {
                 setPopout(false);
             }