message: Fix registration for Neg kernel.
  There was a copy/paste bug here which was only caught with the python-based
  tests. Now tensorflow/python/kernel_tests:cwise_ops_unary_test_gpu passes with
  unranked kernels enabled.
diff: @@ -22,8 +22,8 @@ GENERATE_AND_REGISTER_UNARY_KERNEL(Neg, f16, DT_HALF, Eigen::half);
  GENERATE_AND_REGISTER_UNARY_KERNEL(Neg, f32, DT_FLOAT, float);
  GENERATE_AND_REGISTER_UNARY_KERNEL(Neg, f64, DT_DOUBLE, double);
  GENERATE_AND_REGISTER_UNARY_KERNEL(Neg, i8, DT_INT8, int8);
  -GENERATE_AND_REGISTER_UNARY_KERNEL(Neg, i16, DT_DOUBLE, int16);
  +GENERATE_AND_REGISTER_UNARY_KERNEL(Neg, i16, DT_INT16, int16);
  // TODO(b/25387198): We cannot use a regular GPU kernel for int32.
  -GENERATE_AND_REGISTER_UNARY_KERNEL(Neg, i64, DT_DOUBLE, int64);
  +GENERATE_AND_REGISTER_UNARY_KERNEL(Neg, i64, DT_INT64, int64);
  } // namespace tensorflow
  