fix the doc of windows inference library (#1681)

Fix serial number errors in documents of windows inference library

doc/fluid/advanced_usage/deploy/inference/windows_cpp_inference.md

@@ -171,13 +171,13 @@ Cmake可以在[官网进行下载](https://cmake.org/download/)，并添加到
 
 [下载模型](http://paddle-inference-dist.bj.bcebos.com/word2vec.inference.model.tar.gz)并解压到当前目录，执行命令：
 
-  1.  开启GLOG
+  1. 开启GLOG
 
-  	`set GLOG_v=100`
+     `set GLOG_v=100`
 
-  2.  进行预测，path为模型解压后的目录
+  2. 进行预测，path为模型解压后的目录
 
-  	`Release\simple_on_word2vec.exe --dirname=path\word2vec.inference.model`
+     `Release\simple_on_word2vec.exe --dirname=path\word2vec.inference.model`
 
 <p align="center">
 <img src="https://raw.githubusercontent.com/PaddlePaddle/FluidDoc/develop/doc/fluid/advanced_usage/deploy/inference/image/image9.png">

doc/fluid/advanced_usage/deploy/inference/windows_cpp_inference_en.md

@@ -177,11 +177,11 @@ In the dependent packages provided, please copy openblas and model files under R
 
   1.  Open GLOG
 
-  	`set GLOG_v=100`
+      `set GLOG_v=100`
 
   2.  Start inference. Path is the directory where you decompres model.
 
-  	`Release\simple_on_word2vec.exe --dirname=path\word2vec.inference.model`
+      `Release\simple_on_word2vec.exe --dirname=path\word2vec.inference.model`
 
 <p align="center">
 <img src="https://raw.githubusercontent.com/PaddlePaddle/FluidDoc/develop/doc/fluid/advanced_usage/deploy/inference/image/image9.png">