changed tab to 4 spaces

Author: Enmk

src/Processors/Formats/Impl/ParquetBlockInputFormat.cpp

@@ -727,7 +727,7 @@ void ParquetBlockInputFormat::initializeIfNeeded()
         }
 
         // When single-threaded parsing, can prefetch row groups, so need to put all row groups in the same row_group_batch
-	if (row_group_batches.empty() || row_group_batches.back().total_bytes_compressed >= min_bytes_for_seek)
+    if (row_group_batches.empty() || row_group_batches.back().total_bytes_compressed >= min_bytes_for_seek)
             row_group_batches.emplace_back();
 
         row_group_batches.back().row_groups_idxs.push_back(row_group);