We need to reset the worker threads workspace between requests if

we short-cut through STP_AGAIN.

Expected to fix #487



git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@4075 d4fa192b-c00b-0410-8231-f00ffab90ce4

bin/varnishd/cache_center.c

@@ -97,6 +97,7 @@ cnt_again(struct sess *sp)
 	AZ(sp->obj);
 	assert(sp->xid == 0);
 
+	WS_Reset(sp->wrk->ws, NULL);
 	i = HTC_Complete(sp->htc);
 	while (i == 0)
 		i = HTC_Rx(sp->htc);