$NetBSD: patch-an,v 1.1 2005/06/04 10:44:29 wiz Exp $

--- get_index.c.orig	2002-09-27 23:41:07.000000000 +0200
+++ get_index.c
@@ -15,7 +15,9 @@ extern	int	WHOLEFILESCOPE;
 extern	unsigned int *dest_index_set;
 extern	unsigned char *dest_index_buf;
 extern	int	mask_int[32];
+#ifndef errno
 extern	int	errno;
+#endif
 extern	int	ByteLevelIndex;
 extern  int	RecordLevelIndex;
 extern  int	rdelim_len;