--- old/src/solaris/classes/sun/awt/X11/XDropTargetRegistry.java	2009-06-16 18:37:11.000000000 +0400
+++ new/src/solaris/classes/sun/awt/X11/XDropTargetRegistry.java	2009-06-16 18:37:10.000000000 +0400
@@ -81,7 +81,7 @@
 
             window = XlibUtil.getParentWindow(window);
 
-        } while (window != 0);
+        } while (window != XConstants.None);
 
         return window;
     }