message: Fix zlib level
diff: @@ -630,10 +630,14 @@ int swoole_http_response_compress(swString *body, int method, int level)
  return SW_ERR;
  }
  #ifdef SW_HAVE_ZLIB
  - if (level <= Z_NO_COMPRESSION)
  + if (level < Z_NO_COMPRESSION)
  {
  level = Z_DEFAULT_COMPRESSION;
  }
  + else if (level == Z_NO_COMPRESSION)
  + {
  + level = Z_BEST_SPEED;
  + }
  else if (level > Z_BEST_COMPRESSION)
  {
  level = Z_BEST_COMPRESSION;
  