message: Fix casting to size_t for mkl conv filter dims
diff: @@ -288,8 +288,10 @@ class MklConv2DOp : public OpKernel {
  mkl_filter_output_mkl_shape.SetMklLayout(mkl_context.prim_fwd,
  dnnResourceFilter);
  - size_t filter_sizes[4] = {filter.dim_size(0), filter.dim_size(1),
  - filter.dim_size(2), filter.dim_size(3)};
  + size_t filter_sizes[4] = {static_cast<size_t>(filter.dim_size(0)),
  + static_cast<size_t>(filter.dim_size(1)),
  + static_cast<size_t>(filter.dim_size(2)),
  + static_cast<size_t>(filter.dim_size(3))};
  mkl_filter_output_mkl_shape.SetTfLayout(filter.dims(), filter_sizes,
  mkl_context.filter_strides);
  