Minor style fixes.
Minor style fixes.

stereomatchingkiss/mlpack,ranjan1990/mlpack,darcyliu/mlpack,ajjl/mlpack,theranger/mlpack,theranger/mlpack,stereomatchingkiss/mlpack,ranjan1990/mlpack,ajjl/mlpack,darcyliu/mlpack,theranger/mlpack,palashahuja/mlpack,palashahuja/mlpack,darcyliu/mlpack,palashahuja/mlpack,ajjl/mlpack,ranjan1990/mlpack,stereomatchingkiss/mlpack