fix the ut test error :)

paddle/fluid/inference/analysis/tensorrt_subgraph_pass_tester.cc

@@ -40,7 +40,7 @@ TEST(TensorRTSubGraphPass, main) {
   int* max_batch_size = new int(3);
   int* workspace_size = new int(1 << 20);
   std::string* precision_mode = new std::string("FP32");
-  argument.Set<int>("minimun_subgraph_size", minimum_subgraph_size);
+  argument.Set<int>("minimum_subgraph_size", minimum_subgraph_size);
   argument.Set<int>("max_batch_size", max_batch_size);
   argument.Set<int>("workspace_size", workspace_size);
   argument.Set<std::string>("precision_mode", precision_mode);