Minor bug fix
Minor bug fix

trungda/mlpack,minhpqn/mlpack,erubboli/mlpack,erubboli/mlpack,chenmoshushi/mlpack,trungda/mlpack,ersanliqiao/mlpack,Azizou/mlpack,erubboli/mlpack,theranger/mlpack,datachand/mlpack,bmswgnp/mlpack,lezorich/mlpack,palashahuja/mlpack,bmswgnp/mlpack,ersanliqiao/mlpack,bmswgnp/mlpack,ranjan1990/mlpack,minhpqn/mlpack,thirdwing/mlpack,ranjan1990/mlpack,Azizou/mlpack,BookChan/mlpack,datachand/mlpack,darcyliu/mlpack,ranjan1990/mlpack,ajjl/mlpack,darcyliu/mlpack,trungda/mlpack,stereomatchingkiss/mlpack,theranger/mlpack,thirdwing/mlpack,stereomatchingkiss/mlpack,darcyliu/mlpack,thirdwing/mlpack,chenmoshushi/mlpack,ajjl/mlpack,chenmoshushi/mlpack,stereomatchingkiss/mlpack,palashahuja/mlpack,datachand/mlpack,lezorich/mlpack,palashahuja/mlpack,BookChan/mlpack,theranger/mlpack,BookChan/mlpack,minhpqn/mlpack,ersanliqiao/mlpack,Azizou/mlpack,lezorich/mlpack,ajjl/mlpack