message: Add types.h header to conv_ops.cc for DataTypeToEnum
diff: @@ -36,6 +36,7 @@ limitations under the License.
  #include "tensorflow/core/framework/tensor.h"
  #include "tensorflow/core/framework/tensor_shape.h"
  #include "tensorflow/core/framework/tensor_slice.h"
  +#include "tensorflow/core/framework/types.h"
  #include "tensorflow/core/kernels/conv_2d.h"
  #include "tensorflow/core/kernels/deep_conv2d.h"
  #include "tensorflow/core/kernels/ops_util.h"
  