adjust to TaskEnter

Ref varnish-cache 78c65ef9cc50f5b449bed1ac040322556c0183c7

src/vdp_pesi.c

@@ -176,7 +176,7 @@ vped_task(struct worker *wrk, void *priv)
 #endif
 
 	CNT_Embark(wrk, req);
-	VCL_TaskEnter(req->vcl, req->privs);
+	VCL_TaskEnter(req->privs);
 
 	while (1) {
 		req->wrk = wrk;