Fixed initial vector error in CUB spmv
Fixed initial vector error in CUB spmv

sdalton1/cusplibrary,sdalton1/cusplibrary,cusplibrary/cusplibrary,cusplibrary/cusplibrary,cusplibrary/cusplibrary,sdalton1/cusplibrary,cusplibrary/cusplibrary,sdalton1/cusplibrary