add the missing commit in previous PR

This commit is contained in:
iamqizhao
2015-10-01 18:20:59 -07:00
parent d12126f864
commit ffba849039

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@ -42,6 +42,7 @@ import (
"runtime"
"strings"
"sync"
"time"
"golang.org/x/net/context"
"golang.org/x/net/trace"