Updated counter to use new DtFetchResp structure.
Updated counter to use new DtFetchResp structure.


Former-commit-id: c46ce63987ac9cc0e8a9b09fd32dfed0a80cfc3e
basho/riak-dotnet-client,rob-somerville/riak-dotnet-client,rob-somerville/riak-dotnet-client,basho/riak-dotnet-client