[master] c2e71d0 Purge forward structs covered by vrt.h (or just lingering)

[Poul-Henning Kamp]

commit c2e71d04b59abbaf37cf036edbaa3b46a9f1e3a8
Author: Poul-Henning Kamp <phk at FreeBSD.org>
Date:   Thu Oct 26 08:55:11 2017 +0000

    Purge forward structs covered by vrt.h (or just lingering)

diff --git a/bin/varnishd/cache/cache.h b/bin/varnishd/cache/cache.h
index 419ae51..9ee0917 100644
--- a/bin/varnishd/cache/cache.h
+++ b/bin/varnishd/cache/cache.h
@@ -86,29 +86,20 @@ enum {
 /*--------------------------------------------------------------------*/
 
 struct VSC_lck;
+struct VSC_main;
+struct backend;
 struct ban;
 struct ban_proto;
-struct backend;
-struct busyobj;
 struct cli;
 struct cli_proto;
-struct director;
-struct iovec;
 struct mempool;
 struct objcore;
 struct objhead;
 struct pool;
 struct poolparam;
-struct transport;
-struct req;
 struct sess;
-struct stevedore;
-struct suckaddr;
-struct vrt_priv;
-struct vsb;
+struct transport;
 struct worker;
-struct v1l;
-struct VSC_main;
 
 #define DIGEST_LEN		32