$NetBSD: patch-steio_c,v 1.1 2012/06/16 04:00:54 dholland Exp $

Ues standard headers.

--- steio.c~	1993-07-14 11:02:15.000000000 +0000
+++ steio.c
@@ -15,6 +15,7 @@
 #include	"celltype.h"
 #include	"netsize.h"
 #include	<stdio.h>
+#include <stdlib.h>
 
 
 #define DEFAULT_STEN_X_DISP	-HA_STE_RAD