$NetBSD: patch-ac,v 1.1.1.1 2004/02/24 21:47:25 jmmv Exp $

--- libpnmrw.c.orig	Thu Aug 17 00:24:26 1995
+++ libpnmrw.c
@@ -28,6 +28,9 @@
 #endif
 
 #include <stdio.h>
+#ifdef __NetBSD__
+#  include <errno.h>
+#endif
 #include "libpnmrw.h"
 
 /* if don't have string.h, try strings.h */
@@ -126,8 +129,10 @@
   pm_perror( reason )
 char* reason;
 {
+#ifndef __NetBSD__
   extern char* sys_errlist[];
   extern int errno;
+#endif
   char* e;
 
   e = sys_errlist[errno];