[master] fbee34a62 Add missing X-ref

[Poul-Henning Kamp]

commit fbee34a62adab48a233d1c1ea7d138e8fd37e24c
Author: Poul-Henning Kamp <phk at FreeBSD.org>
Date:   Mon Feb 22 14:25:18 2021 +0000

    Add missing X-ref

diff --git a/doc/sphinx/reference/vcl.rst b/doc/sphinx/reference/vcl.rst
index 3c39a0dd9..0640181b7 100644
--- a/doc/sphinx/reference/vcl.rst
+++ b/doc/sphinx/reference/vcl.rst
@@ -416,6 +416,7 @@ SEE ALSO
 * :ref:`varnishd(1)`
 * :ref:`vcl-backend(7)`
 * :ref:`vcl-probe(7)`
+* :ref:`vcl-var(7)`
 * :ref:`vmod_directors(3)`
 * :ref:`vmod_std(3)`