sysutils/clockspeed: include errno.h for errno

errno must be accessed by a macro from errno.h.

sysutils/clockspeed/Makefile

@@ -1,6 +1,6 @@
 PORTNAME=	clockspeed
 PORTVERSION=	0.62
-PORTREVISION=	6
+PORTREVISION=	7
 CATEGORIES=	sysutils
 MASTER_SITES=	http://cr.yp.to/clockspeed/ \
 		http://redundancy.redundancy.org/mirror/

sysutils/clockspeed/files/patch-error.h

@@ -0,0 +1,11 @@
+--- error.h.orig
++++ error.h
+@@ -1,7 +1,7 @@
+ #ifndef ERROR_H
+ #define ERROR_H
+ 
+-extern int errno;
++#include <errno.h>
+ 
+ extern int error_intr;
+ extern int error_nomem;

sysutils/clockspeed/files/patch-leapsecs_read.c

@@ -1,6 +1,14 @@
---- leapsecs_read.c.orig	Thu May 24 20:07:04 2001
-+++ leapsecs_read.c	Thu May 24 20:12:33 2001
-@@ -18,7 +18,7 @@
+--- leapsecs_read.c.orig
++++ leapsecs_read.c
+@@ -2,7 +2,6 @@
+ #include <sys/stat.h>
+ #include <fcntl.h>
+ #include <errno.h>
+-extern int errno;
+ #include "tai.h"
+ #include "leapsecs.h"
+ 
+@@ -18,7 +17,7 @@
    int i;
    struct tai u;