$NetBSD$

--- base/src/tconf.c.orig	2006-05-09 18:13:46.000000000 +0000
+++ base/src/tconf.c
@@ -20,6 +20,7 @@
  * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#include <errno.h>
 #include <unistd.h>	/* close getlogin */
 #include <stdlib.h>	/* atexit exit */
 #include <stdio.h>
@@ -33,8 +34,6 @@
 extern int  optind;
 extern char *optarg;
 
-extern int errno;
-
 struct pre_struct {
   char * pre_mod;
   char * pre_gen;
