From 6e4301ecad6e6f22e883846ba791085954e7e720 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Tue, 24 Jan 2023 17:39:10 +0530
Subject: [PATCH] ...

---
 src/calibre/utils/windows/winspeech.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/calibre/utils/windows/winspeech.cpp b/src/calibre/utils/windows/winspeech.cpp
index e54e1c5b89..29b9a971ae 100644
--- a/src/calibre/utils/windows/winspeech.cpp
+++ b/src/calibre/utils/windows/winspeech.cpp
@@ -143,7 +143,7 @@ public:
     json_val(long long num) : type(DT_INT), i(num) {}
     json_val(std::vector<json_val> &&items) : type(DT_LIST), list(items) {}
     json_val(std::map<std::string, json_val> &&m) : type(DT_OBJECT), object(m) {}
-    json_val(std::initializer_list<std::pair<const std::string, json_val>> vals) : type(DT_OBJECT), object(vals) { }
+    json_val(std::initializer_list<std::pair<const std::string, json_val>> const& vals) : type(DT_OBJECT), object(vals) { }
     json_val(bool x) : type(DT_BOOL), b(x) {}
 
     json_val(VoiceInformation const& voice) : type(DT_OBJECT) {