message: Fix runtime hook errMsg null pointer.
diff: @@ -382,7 +382,10 @@ static inline int socket_connect(php_stream *stream, Socket *sock, php_stream_xp
  if (sock->connect(host, portno) == false)
  {
  xparam->outputs.error_code = sock->errCode;
  + if (sock->errMsg)
  + {
  xparam->outputs.error_text = zend_string_init(sock->errMsg, strlen(sock->errMsg), 0);
  + }
  ret = -1;
  }
  else
  