diff -Naur mathgl-1.11.0.1.orig/include/mgl/mgl_fltk.h mathgl-1.11.0.1/include/mgl/mgl_fltk.h
--- mathgl-1.11.0.1.orig/include/mgl/mgl_fltk.h	2010-11-13 22:04:11.000000000 +0100
+++ mathgl-1.11.0.1/include/mgl/mgl_fltk.h	2011-05-31 12:51:46.477338346 +0200
@@ -29,7 +29,7 @@
 #endif
 
 #include <FL/Fl.H>
-#include <Fl/Fl_Scroll.H>
+#include <FL/Fl_Scroll.H>
 #include <FL/Fl_Button.H>
 #include <FL/Fl_Counter.H>
 #include <FL/Fl_Menu_Bar.H>