From 471e567657dfd75a994a1b54d7a23cf4541a6bed Mon Sep 17 00:00:00 2001
From: sfan5 <sfan5@live.de>
Date: Tue, 26 May 2020 17:38:31 +0200
Subject: Value copy / allocation optimizations mostly in server, SAO and
 serialize code

---
 src/tool.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/tool.cpp')

diff --git a/src/tool.cpp b/src/tool.cpp
index d911c518f..22e41d28e 100644
--- a/src/tool.cpp
+++ b/src/tool.cpp
@@ -130,7 +130,7 @@ void ToolCapabilities::serializeJson(std::ostream &os) const
 	root["punch_attack_uses"] = punch_attack_uses;
 
 	Json::Value groupcaps_object;
-	for (auto groupcap : groupcaps) {
+	for (const auto &groupcap : groupcaps) {
 		groupcap.second.toJson(groupcaps_object[groupcap.first]);
 	}
 	root["groupcaps"] = groupcaps_object;
-- 
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