Don't allow the invisible simple director to reference backend defined

by another simple director, it would be too hard to explain why they
shared statistics and harder yet to make them not do so.



git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@2887 d4fa192b-c00b-0410-8231-f00ffab90ce4

lib/libvcl/vcc_backend.c

@@ -375,7 +375,7 @@ vcc_ParseBackend(struct tokenlist *tl)
 	h->name = tl->t;
 	vcc_NextToken(tl);
 
-	vcc_ParseBackendHost(tl, &nbh, h->name, "backend", 0);
+	vcc_ParseHostDef(tl, &nbh, h->name, "backend", 0);
 	ERRCHK(tl);
 
 	h->hnum = nbh;