message: Fix slim record_writer compression type
diff: @@ -61,7 +61,7 @@ RecordWriter::RecordWriter(WritableFile* dest,
  const RecordWriterOptions& options)
  : dest_(dest), options_(options) {
  #if defined(IS_SLIM_BUILD)
  - if (compression_type != compression::kNone) {
  + if (options.compression_type != RecordWriterOptions::NONE) {
  LOG(FATAL) << "Compression is unsupported on mobile platforms.";
  }
  #else
  