Fixed the compilation error
Fixed the compilation error

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