Corrected method name in the Builder of RiakCluster.
Corrected method name in the Builder of RiakCluster.

Signed-off-by: GabrielNicolasAvellaneda <83a8591a9a34d9745961eaad83d1d871cc3e5445@gmail.com>

GabrielNicolasAvellaneda/riak-nodejs-client,basho/riak-nodejs-client,basho/riak-nodejs-client,GabrielNicolasAvellaneda/riak-nodejs-client