http2: return recv error on unexpected EOF

    return 0;

  }

  DEBUGF(infof(conn->data, "nread=%zd\n", nread));

  if(nread == 0) {

    failf(conn->data, "EOF");

    return 0;

    failf(conn->data, "Unexpected EOF");

    *err = CURLE_RECV_ERROR;

    return -1;

  }

  DEBUGF(infof(conn->data, "nread=%zd\n", nread));

  rv = nghttp2_session_mem_recv(httpc->h2,

                                (const uint8_t *)httpc->inbuf, nread);