--- includex/v/vbglcnv.h.org	Wed Jun 23 23:49:42 1999
+++ includex/v/vbglcnv.h	Fri Oct  8 10:33:06 1999
@@ -24,7 +24,7 @@
 
     void CgraphicsInit(Widget w, XtPointer clientData, XtPointer call);
 
-#include <X11/GLw/GLwDrawA.h>	// Xt OpenGL drawing area widget.
+#include <GL/GLwDrawA.h>	// Xt OpenGL drawing area widget.
 #include <GL/gl.h>
 #include <GL/glu.h>
 #include <GL/glx.h>