Revert to older Armadillo syntax.
Revert to older Armadillo syntax.

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