message: fix adagrad for LazyGlobal
diff: @@ -800,6 +800,7 @@ void EmbeddingOptimizer<TypeHashKey, TypeEmbeddingComp>::update(
  wgrad.get_ptr(), hash_table_value.get_ptr(), opt_params.scaler);
  break;
  }
  + case Optimizer_t::AdaGrad:
  case Optimizer_t::MomentumSGD:
  case Optimizer_t::Nesterov:
  case Optimizer_t::SGD: {
  