fix megacheck issue: should omit values from range
@@ -474,7 +474,7 @@ func (pb *Block) CleanTombstones(dest string, c Compactor) (bool, error) {
numStones := 0
pb.tombstones.Iter(func(id uint64, ivs Intervals) error {
- for _ = range ivs {
+ for range ivs {
numStones++
}
