Blob DB: dump blob_db_options.min_blob_size

Summary:
min_blob_size was missing from BlobDBOptions::Dump.
Closes https://github.com/facebook/rocksdb/pull/3400

Differential Revision: D6781525

Pulled By: yiwu-arbug

fbshipit-source-id: 40d9b391578d7f8c91bd89f4ce2eda5064864c25

utilities/blob_db/blob_db.cc

@@ -73,6 +73,8 @@ void BlobDBOptions::Dump(Logger* log) const {
                    blob_dir_size);
   ROCKS_LOG_HEADER(log, "           blob_db_options.ttl_range_secs: %" PRIu32,
                    ttl_range_secs);
+  ROCKS_LOG_HEADER(log, "            blob_db_options.min_blob_size: %" PRIu64,
+                   min_blob_size);
   ROCKS_LOG_HEADER(log, "           blob_db_options.bytes_per_sync: %" PRIu64,
                    bytes_per_sync);
   ROCKS_LOG_HEADER(log, "           blob_db_options.blob_file_size: %" PRIu64,