fixed a go lint complaint
MODIFY
go/src/github.com/xing/beetle/garbage_collect_keys.go
go/src/github.com/xing/beetle/garbage_collect_keys.go
@@ -88,7 +88,7 @@ func (s *GCState) garbageCollectKeys(db int) {
defer func() { logInfo("expired %d keys out of %d in db %d", expired, total, db) }()
ticker := time.NewTicker(1 * time.Second)
collecting:
- for _ = range ticker.C {
+ for range ticker.C {
if interrupted {
break
}

fixed a go lint complaint