Merge pull request #45412 from CaoShuFeng/pathrecoder

Automatic merge from submit-queue (batch tested with PRs 43006, 45305, 45390, 45412, 45392)

update the doc of function NewPathRecorderMux

The doc of function NewPathRecorderMux() is out of date. Update it.
**Release note**:

```release-note
```
This commit is contained in:
Kubernetes Submit Queue 2017-05-05 16:39:09 -07:00 committed by GitHub
commit 9bd5d642ae

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@ -71,7 +71,7 @@ type prefixHandler struct {
handler http.Handler
}
// NewPathRecorderMux creates a new PathRecorderMux with the given mux as the base mux.
// NewPathRecorderMux creates a new PathRecorderMux
func NewPathRecorderMux() *PathRecorderMux {
ret := &PathRecorderMux{
pathToHandler: map[string]http.Handler{},