gre(4) manpage refers to expired domain for docs.

[Janne Johansson]

The domain wrec.org today shows the usual "lets try to sell people stuff
here" parking page that comes from someone wanting to monetize on
expired stuff.

Found by "Norrland" on freenode.

$ cvs -q diff -u
Index: gre.4
===================================================================
RCS file: /cvs/src/share/man/man4/gre.4,v
retrieving revision 1.46
diff -u -r1.46 gre.4
--- gre.4 31 Aug 2016 18:16:54 -0000 1.46
+++ gre.4 8 Jun 2017 12:25:54 -0000
@@ -235,12 +235,12 @@
.Re
.Pp
.Rs
-.%U http://www.wrec.org/Drafts/draft-ietf-wrec-web-pro-00.txt
+.%U https://tools.ietf.org/html/draft-ietf-wrec-web-pro-00.txt
.%T Web Cache Coordination Protocol V1.0
.Re
.Pp
.Rs
-.%U http://www.wrec.org/Drafts/draft-wilson-wrec-wccp-v2-00.txt
+.%U https://tools.ietf.org/html/draft-wilson-wrec-wccp-v2-00.txt
.%T Web Cache Coordination Protocol V2.0
.Re
.Sh AUTHORS

[Theo Buehler]

Post by Janne Johansson
The domain wrec.org today shows the usual "lets try to sell people stuff
here" parking page that comes from someone wanting to monetize on
expired stuff.
Found by "Norrland" on freenode.

Fixed, thanks.