Fix file header example

Remove unused `io/ioutil` package and add used `os` package. Follow up of #28.
h2non · Sep 21, 2023 · 70ab66a · 70ab66a
1 parent cfcd7d0
commit 70ab66a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/README.md b/README.md
@@ -118,7 +118,7 @@ package main
 
 import (
   "fmt"
-  "io/ioutil"
+  "os"
 
   "github.com/h2non/filetype"
 )