Fix VolumetricConvolution for C/Cuda interoperability
Fix VolumetricConvolution for C/Cuda interoperability

jonathantompson/nn,diz-vara/nn,caldweln/nn,joeyhng/nn,jhjin/nn,colesbury/nn,sagarwaghmare69/nn,PraveerSINGH/nn,xianjiec/nn,kmul00/nn,elbamos/nn,nicholas-leonard/nn,eriche2016/nn,apaszke/nn,andreaskoepf/nn