Remove local declaration of errno, rely on <errno.h> instead.

distrib/utils/sysinst/run.c

@@ -1,4 +1,4 @@
-/*	$NetBSD: run.c,v 1.28 2000/01/19 09:44:01 mycroft Exp $	*/
+/*	$NetBSD: run.c,v 1.29 2000/01/24 10:40:56 he Exp $	*/
 
 /*
  * Copyright 1997 Piermont Information Systems Inc.
@@ -67,8 +67,6 @@
 #define Xsystem(y) system(y)
 #endif
 
-extern int errno;
-
 /*
  * local prototypes 
  */