Update README: set "sudo PATH" for Go

sudo's PATH may be overridden by the security policy, so set the PATH for Go for installation.
hmgle · Aug 17, 2018 · 5a84aee · 5a84aee
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diff --git a/README.md b/README.md
@@ -30,7 +30,9 @@ After make finishes, you'll be able to use `graftcp-local` and `./graftcp`.
 Optionally, you can also install them to system:
 
 ```sh
-sudo make install
+# sudo's PATH may be overridden by the security policy,
+# so set the PATH for Go
+sudo env "PATH=$PATH" make install
 ```
 
 Then `graftcp-local` will run automatically as the operating system starts.

diff --git a/README.zh-CN.md b/README.zh-CN.md
@@ -24,7 +24,9 @@ make
 make 执行完后，即可运行 `graftcp-local` 和 `./graftcp`。可以把它们都安装进系统：
 
 ```sh
-sudo make install
+# sudo's PATH may be overridden by the security policy,
+# so set the PATH for Go
+sudo env "PATH=$PATH" make install
 ```
 
 之后 `graftcp-local` 会随着系统启动而自动运行。