Updated license years

unixutils/pipe.go

@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2020 Cristian Maglie. All rights reserved.
+// Copyright 2014-2021 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
@@ -8,8 +8,10 @@
 
 package unixutils
 
-import "syscall"
-import "fmt"
+import (
+	"fmt"
+	"syscall"
+)
 
 // Pipe represents a unix-pipe
 type Pipe struct {