HasBigDecimal 0.2 does not provide getScale and getValue

[juhp]

Building library for avro-0.6.1.1..                                                                                                 
[ 8 of 21] Compiling Data.Avro.Schema.Decimal                                                                                       
                                                                                                                                    
/var/stackage/work/unpack-dir/unpacked/avro-0.6.1.1-c8abdd5c2d67341d5f6a1d2d3b53ca282e000be1c281ae35e370b50a65e1b08c/src/Data/Avro/Schema/Decimal.hs:28:23: error:                                                                                                      
    Not in scope: ‘D.getScale’                                                                                                      
    Module ‘Data.BigDecimal’ does not export ‘getScale’.                                                                            
   |                                                                                                                                
28 |         new = if ss > D.getScale d                                                                                             
   |                       ^^^^^^^^^^                                                                                               
                                                                                                                                    
/var/stackage/work/unpack-dir/unpacked/avro-0.6.1.1-c8abdd5c2d67341d5f6a1d2d3b53ca282e000be1c281ae35e370b50a65e1b08c/src/Data/Avro/Schema/Decimal.hs:29:37: error:                                                                                                      
    Not in scope: ‘D.getValue’                                                                                                      
    Module ‘Data.BigDecimal’ does not export ‘getValue’.                                                                            
   |                                                                                                                                
29 |                  then D.BigDecimal (D.getValue d * 10 ^ (ss - D.getScale d)) ss                                                
   |                                     ^^^^^^^^^^                                                                                 
                                                                                                                                    
/var/stackage/work/unpack-dir/unpacked/avro-0.6.1.1-c8abdd5c2d67341d5f6a1d2d3b53ca282e000be1c281ae35e370b50a65e1b08c/src/Data/Avro/Schema/Decimal.hs:29:63: error:                                                                                                      
    Not in scope: ‘D.getScale’                                                                                                      
    Module ‘Data.BigDecimal’ does not export ‘getScale’.                                                                            
   |                                                                                                                                
29 |                  then D.BigDecimal (D.getValue d * 10 ^ (ss - D.getScale d)) ss                                                
   |                                                               ^^^^^^^^^^                                                       
                                                                                                                                    
/var/stackage/work/unpack-dir/unpacked/avro-0.6.1.1-c8abdd5c2d67341d5f6a1d2d3b53ca282e000be1c281ae35e370b50a65e1b08c/src/Data/Avro/Schema/Decimal.hs:33:37: error:                                                                                                      
    Not in scope: ‘D.getValue’                                                                                                      
    Module ‘Data.BigDecimal’ does not export ‘getValue’.                                                                            
   |                                                                                                                                
33 |           else Just $ fromInteger $ D.getValue new                                                                             
   |                                     ^^^^^^^^^^