Fix y-axis scale for Totals

This would use pageviews, rather than visits, from back when that would
be displayed in the chart. In most cases it didn't look so odd, but in a
few cases where a small group of visitors have many pageviews it's way
too much.

hit_list.go

@@ -251,7 +251,7 @@ func (h *HitList) Totals(ctx context.Context, rng ztime.Range, pathFilter []int6
 	for _, v := range stats {
 		totalst.Stats = append(totalst.Stats, v)
 		if !daily {
-			for _, x := range v.Hourly {
+			for _, x := range v.HourlyUnique {
 				if x > max {
 					max = x
 				}
@@ -275,7 +275,7 @@ func (h *HitList) Totals(ctx context.Context, rng ztime.Range, pathFilter []int6
 			for _, n := range hh[0].Stats[i].HourlyUnique {
 				hh[0].Stats[i].DailyUnique += n
 			}
-			if daily && hh[0].Stats[i].Daily > max {
+			if daily && hh[0].Stats[i].DailyUnique > max {
 				max = hh[0].Stats[i].Daily
 			}
 		}