SRVFLAG_PATH_REWRITE
f = SRVFLAG_PATH_REWRITE|SRVFLAG_NO_PATH_REWRITE;
srv->srv_conf.flags |= SRVFLAG_PATH_REWRITE;
srv->srv_conf.flags &= ~SRVFLAG_PATH_REWRITE;
if (srv_conf->flags & SRVFLAG_PATH_REWRITE) {