--- lib/libxview/menu/om_set.c.orig	1993-06-29 07:16:24.000000000 +0200
+++ lib/libxview/menu/om_set.c	2003-12-30 01:31:12.000000000 +0100
@@ -12,6 +12,7 @@ static char     sccsid[] = "@(#)om_set.c
 
 /* --------------------------------------------------------------------- */
 #include <sys/types.h>
+#include <ctype.h>
 #include <xview_private/om_impl.h>
 #include <xview_private/draw_impl.h>
 #include <xview_private/fm_impl.h>