$OpenBSD: patch-libframe_misc_c,v 1.1 2016/03/17 21:07:32 naddy Exp $
--- libframe/misc.c.orig	Thu Mar 17 21:21:48 2016
+++ libframe/misc.c	Thu Mar 17 21:27:16 2016
@@ -1,4 +1,5 @@
 /* Copyright (c) 1998 Lucent Technologies - All rights reserved. */
+#include	<errno.h>
 #include	<u.h>
 #include	<libc.h>
 #include	<pwd.h>
@@ -22,8 +23,6 @@ fprint(int fd, char *z, ...)
 
 int errstr(char *buf)
 {
-	extern int errno;
-
 	strncpy(buf, strerror(errno), ERRLEN);
 	return 1;
 }
