--- lib/error.c	Wed Nov 15 12:19:40 1989
+++ lib/error.c	Wed Jun 10 23:17:18 1998
@@ -19,6 +19,7 @@
 
 #include <stdio.h>
 #include <varargs.h>
+#include <errno.h>
 
 #ifdef lint
 
@@ -32,7 +33,6 @@
 
 extern char *ProgName;
 extern int errno;
-extern char *sys_errlist[];
 extern int sys_nerr;
 
 error(va_alist)