Remove unused hoh_digest

git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@3790 d4fa192b-c00b-0410-8231-f00ffab90ce4

bin/varnishd/hash_classic.c

@@ -147,7 +147,6 @@ hcl_lookup(const struct sess *sp, struct objhead *noh)
 	else
 		VTAILQ_INSERT_TAIL(&hp->head, noh, hoh_list);
 
-	noh->hoh_digest = digest;
 	noh->hoh_head = hp;
 
 	HSH_Copy(sp, noh);

bin/varnishd/hash_slinger.h

@@ -92,12 +92,10 @@ struct objhead {
 		struct {
 			VTAILQ_ENTRY(objhead)	u_n_hoh_list;
 			void			*u_n_hoh_head;
-			unsigned		u_n_hoh_digest;
 		} n;
 	} u;
 #define hoh_list u.n.u_n_hoh_list
 #define hoh_head u.n.u_n_hoh_head
-#define hoh_digest u.n.u_n_hoh_digest
 };
 
 extern unsigned	save_hash;