message: Fix issues caught by -Wtautological-constant-compare
  This fixes a check that is always evaluates to true.  The check expression is a
  conditional operator that returns 1 or 2, both of which convert to true.  This
  fix puts in the enum value that causes the check to pass.
diff: @@ -667,7 +667,7 @@ void GraphTransferer::RegisterNodeWithPaddingAndStrides(
  << "Op " << node.type_string() << " not found in map(id = " << op_type_id
  << ")";
  // Safety check of padding id
  - CHECK(padding == Padding::VALID ? 1 : 2);
  + CHECK(padding == Padding::SAME);
  AppendNodeParamsWithIoParams(
  shape_refiner, node, node.name(), id, node.type_string(), op_type_id,
  static_cast<int>(padding), node.num_inputs(), extra_inputs,
  