golint fix

Author: WanLinghao

hack/.golint_failures

@@ -190,6 +190,7 @@ pkg/kubelet/dockershim/network/testing
 pkg/kubelet/events
 pkg/kubelet/lifecycle
 pkg/kubelet/metrics
+pkg/kubelet/oom
 pkg/kubelet/pod
 pkg/kubelet/pod/testing
 pkg/kubelet/preemption

pkg/kubelet/oom/oom_watcher_unsupported.go

@@ -27,6 +27,7 @@ type oomWatcherUnsupported struct{}
 
 var _ OOMWatcher = new(oomWatcherUnsupported)
 
+// NewOOMWatcher creates a fake one here
 func NewOOMWatcher(_ record.EventRecorder) OOMWatcher {
 	return &oomWatcherUnsupported{}
 }