Fix deprecation warning

Button::setToggleState (bool, bool) was deprecated in favor of
setToggleState (bool, NotificationType).

Source/Processors/Visualization/DataWindow.cpp

@@ -46,5 +46,5 @@ void DataWindow::closeButtonPressed()
 {
 	setContentNonOwned(0,false);
     setVisible(false);
-    controlButton->setToggleState(false,false);
-}
\ No newline at end of file
+    controlButton->setToggleState(false,dontSendNotification);
+}