[4.1] 01f0bd4 Add ref for sphinx.

[Lasse Karstensen]

commit 01f0bd4dd3ddd18d3aaa47c9b44bf127a0fddffe
Author: Lasse Karstensen <lkarsten at varnish-software.com>
Date:   Mon Dec 21 13:26:49 2015 +0100

    Add ref for sphinx.

diff --git a/man/vsc2rst.c b/man/vsc2rst.c
index 93950f0..11c3d2a 100644
--- a/man/vsc2rst.c
+++ b/man/vsc2rst.c
@@ -47,6 +47,8 @@ int main(int argc, char **argv)
 {
 	(void)argc;
 	(void)argv;
+	P(".. _varnish-counters(7): ");
+	P("");
 	P("================");
 	P("varnish-counters");
 	P("================");