message: Attempt at fixing Windows test errors in snapshot dataset.
diff: @@ -48,7 +48,7 @@ namespace {
  enum SnapshotMode { READER = 0, WRITER = 1, PASSTHROUGH = 2 };
  // Defaults to 10 GiB per shard.
  -const int64 kDefaultShardSizeBytes = 10L * 1024 * 1024 * 1024;
  +const int64 kDefaultShardSizeBytes = 10LL * 1024 * 1024 * 1024;
  const size_t kHeaderSize = sizeof(uint64);
  