all: sort imports

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5319072
diff --git a/src/pkg/io/multi_test.go b/src/pkg/io/multi_test.go
index bb439f0..0de5cc3 100644
--- a/src/pkg/io/multi_test.go
+++ b/src/pkg/io/multi_test.go
@@ -5,10 +5,10 @@
 package io_test
 
 import (
-	. "io"
 	"bytes"
 	"crypto/sha1"
 	"fmt"
+	. "io"
 	"strings"
 	"testing"
 )