--- OLD/xc/programs/xfd/xfd.c	Thu Jan  1 00:00:00 1970
+++ NEW/xc/programs/xfd/xfd.c	Thu Jan  1 00:00:00 1970
@@ -34,6 +34,7 @@
 #include <X11/Xaw/Form.h>
 #include <X11/Xaw/Command.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include "grid.h"
 
 char *ProgramName;