Fix golint warning in labels.go
@@ -200,7 +200,7 @@ func (ls Labels) Has(name string) bool {
return false
}
-// HasDuplicateLabels returns whether ls has duplicate label names.
+// HasDuplicateLabelNames returns whether ls has duplicate label names.
// It assumes that the labelset is sorted.
func (ls Labels) HasDuplicateLabelNames() (string, bool) {
for i, l := range ls {
