$OpenBSD: patch-ppgen_c,v 1.1.1.1 2000/08/28 23:36:45 matt Exp $
--- ppgen.c.orig	Tue Aug 29 05:10:45 1995
+++ ppgen.c	Sat Aug 12 19:55:51 2000
@@ -29,6 +29,7 @@
 #else
 char *optarg;
 #endif
+#include <errno.h>
 
 #include "ppg_random.h"