From 18b2638b075db6881b283452fba6156a5b6fe7bf Mon Sep 17 00:00:00 2001
From: Maisem Ali <maisem@tailscale.com>
Date: Thu, 7 Sep 2023 15:20:01 -0700
Subject: [PATCH] metrics: add missing comma in histogram JSON export

Updates tailscale/corp#8641

Signed-off-by: Maisem Ali <maisem@tailscale.com>
---
 metrics/metrics.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/metrics/metrics.go b/metrics/metrics.go
index 054dff9df..a07ddccae 100644
--- a/metrics/metrics.go
+++ b/metrics/metrics.go
@@ -138,8 +138,8 @@ func (h *Histogram) String() string {
 		}
 		first = false
 	})
-	fmt.Fprintf(&b, "\"sum\": %v,", &h.sum)
-	fmt.Fprintf(&b, "\"count\": %v", &h.count)
+	fmt.Fprintf(&b, ",\"sum\": %v", &h.sum)
+	fmt.Fprintf(&b, ",\"count\": %v", &h.count)
 	fmt.Fprintf(&b, "}")
 	return b.String()
 }