algorithms/cuda: Fix launch parameter calculation
algorithms/cuda: Fix launch parameter calculation

The last argument to cudaOccupancyMaxPotentialBlockSize was wrong,
leading to bad launch parameters being calculated when the number of
input elements was high enough.

chuckseberino/lift,nsubtil/lift,chuckseberino/lift,chuckseberino/lift,nsubtil/lift,nsubtil/lift