aristidb/aws — comment on commit fe41ff38ddff86763f911a7b3222eef58e9dabda
File: Aws/S3/Commands/PutObject.hs line 70
By aristidb:

I presume this was quickly hacked together and the author didn't need that field. But yes. If you need it, or want to take care of it, do so. Otherwise, I'll look at it at a later date.