8024485: For 5-1 step: if input something into the 'File:' and 'Dir:', the dir...

8024485: For 5-1 step: if input something into the 'File:' and 'Dir:', the dir output isn't empty in the output window after showing and canceling the file dialog
Reviewed-by: serb, anthony

src/windows/classes/sun/awt/windows/WFileDialogPeer.java

@@ -182,6 +182,7 @@ public class WFileDialogPeer extends WWindowPeer implements FileDialogPeer {
 
         AWTAccessor.getFileDialogAccessor().setFile(fileDialog, null);
         AWTAccessor.getFileDialogAccessor().setFiles(fileDialog, null);
+        AWTAccessor.getFileDialogAccessor().setDirectory(fileDialog, null);
 
         WToolkit.executeOnEventHandlerThread(fileDialog, new Runnable() {
              public void run() {