Update README.md

src/TensorFlowNET.Core/Protobuf/README.md

@@ -1,6 +1,6 @@
 ### Download compiler from https://github.com/protocolbuffers/protobuf/releases
 ```shell
-set SRC_DIR=D:\Projects\tensorflow-1.12.0\tensorflow\core\framework
+set SRC_DIR=D:\Projects\tensorflow\tensorflow\core\framework
 set DST_DIR=D:\Projects\TensorFlow.NET\src\TensorFlowNET.Core\Protobuf
 
 protoc -I=%SRC_DIR% --csharp_out=%DST_DIR% resource_handle.proto
@@ -12,4 +12,9 @@ protoc -I=%SRC_DIR% --csharp_out=%DST_DIR% node_def.proto
 protoc -I=%SRC_DIR% --csharp_out=%DST_DIR% versions.proto
 protoc -I=%SRC_DIR% --csharp_out=%DST_DIR% function.proto
 protoc -I=%SRC_DIR% --csharp_out=%DST_DIR% graph.proto
-```
+```
+
+```shell
+set SRC_DIR=D:\Projects\tensorflow\tensorflow\core\protobuf
+protoc -I=%SRC_DIR% --csharp_out=%DST_DIR% saver.proto
+```