From c770e74571dc5ef9c12b062e391028de47bc82c7 Mon Sep 17 00:00:00 2001
From: mossid <torecursedivine@gmail.com>
Date: Tue, 9 Oct 2018 03:06:16 +0900
Subject: [PATCH] fix cloneAppend

---
 store/prefixstore.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/store/prefixstore.go b/store/prefixstore.go
index c060bf5c3..2b70a28ff 100644
--- a/store/prefixstore.go
+++ b/store/prefixstore.go
@@ -17,7 +17,7 @@ type prefixStore struct {
 func cloneAppend(bz []byte, tail []byte) (res []byte) {
 	res = make([]byte, len(bz)+len(tail))
 	copy(res, bz)
-	res = append(res, bz...)
+	copy(res[len(bz):], tail)
 	return
 }