Update db_bdb.cpp

- bugfix: prevent re-entering db->get when current buffer contains all possible index values.

src/blockchain_db/berkeleydb/db_bdb.cpp

@@ -1528,14 +1528,12 @@ void BlockchainBDB::get_output_tx_and_index(const uint64_t& amount,
                     {
                         cur->get(&k, &data, DB_MULTIPLE | (curcount == 0 ? DB_SET : DB_NEXT_DUP));
                         blockstart = curcount;
-                        // skip counting if using single buffer, it actually adds some overhead on some systems.
-                        if(!singlebuff)
-                        {
+                        
                         int count = 0;
+                        // fixme! this might be slow on some systems.
                         DB_COUNT_RECORDS((DBT *) &data, count);
                         curcount += count;
                     }
-                    }
                     catch (const std::exception &e)
                     {
                         LOG_PRINT_L0("DB_EXCEPTION: " << e.what());