$OpenBSD: patch-usbstats_c,v 1.3 2010/10/20 15:36:46 naddy Exp $
--- usbstats.c.orig	Wed Oct 20 17:27:54 2010
+++ usbstats.c	Wed Oct 20 17:28:08 2010
@@ -25,6 +25,7 @@
  */
 
 #include <stdio.h>
+#include <stdlib.h>
 #include <sys/types.h>
 #include <fcntl.h>
 #include <unistd.h>