fixed a typo for the download uri for hdfs tarball
fixed a typo for the download uri for hdfs tarball

mwl/universe,mwl/universe,aloismayr/universe,AppliedIS/universe,dbtucker/universe,kensipe/universe,dhilipkumars/universe,errordeveloper/universe,aloismayr/universe,yuchaoran2011/universe,titosand/universe,niteshch207/universe,AppliedIS/universe,neunhoef/universe,NimaVaziri/universe,BuoyantIO/universe,dhilipkumars/universe,NimaVaziri/universe,neunhoef/universe,AppliedIS/universe,errordeveloper/universe,yuchaoran2011/universe,niteshch207/universe,dbtucker/universe,niteshch207/universe,mesosphere/universe,kensipe/universe,concord/universe,mesosphere/universe,titosand/universe,aloismayr/universe,BuoyantIO/universe,errordeveloper/universe,titosand/universe,ksivask/universe,BuoyantIO/universe,ksivask/universe,ksivask/universe,madanadit/universe,yuchaoran2011/universe,madanadit/universe,dbtucker/universe,dhilipkumars/universe,kensipe/universe,NimaVaziri/universe,madanadit/universe,concord/universe