Updated bundled fltk with latest set of patches for
following fltk str:  2660, 2636, 2599, 2641...



git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4675 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/common/fltk/FL/win32.H b/common/fltk/FL/win32.H
index 2c68266..9297e9f 100644
--- a/common/fltk/FL/win32.H
+++ b/common/fltk/FL/win32.H
@@ -82,6 +82,7 @@
   int wait_for_expose;
   HDC private_dc; // used for OpenGL
   HCURSOR cursor;
+  int custom_cursor;
   HDC saved_hdc;  // saves the handle of the DC currently loaded
   // static variables, static functions and member functions
   static Fl_X* first;