Fix accuracy_op.

paddle/operators/accuracy_op.cc

@@ -34,7 +34,7 @@ class AccuracyOp : public framework::OperatorWithKernel {
     PADDLE_ENFORCE_EQ(inference->dims()[0], label->dims()[0],
                       "inference size must be the same as label size");
 
-    ctx.Output<Tensor>("Accuracy")->Resize({1});
+    ctx.Output<framework::LoDTensor>("Accuracy")->Resize({1});
   }
 };