mingw/mingw-packages/mingw-w64-fox/fox-2-FXTrayIcon.patch

--- include/FXIcon.h.orig
+++ include/FXIcon.h
@@ -49,6 +49,7 @@
   friend class FXDCWindow;
   friend class FXDrawable;
   friend class FXTopWindow;
+  friend class FXTrayIcon;
 protected:
   FXID     shape;             // Shape pixmap
   FXID     etch;              // Etch pixmap