$NetBSD: patch-ab,v 1.3 2005/12/11 23:12:11 joerg Exp $

--- src/sdbm.c.orig	2005-12-11 22:58:32.000000000 +0000
+++ src/sdbm.c
@@ -37,13 +37,6 @@ static char rcsid[] = "$Id: sdbm.c,v 1.2
 #endif
 
 /*
- * externals
- */
-#ifndef sun
-extern int errno;
-#endif
-
-/*
  * forward
  */
 static int getdbit (SDBM *, long);