From f34c8c466a0e514edac2e8683127b4176ad5d321 Mon Sep 17 00:00:00 2001
From: practicalswift <practicalswift@users.noreply.github.com>
Date: Mon, 18 Jun 2018 07:58:28 +0200
Subject: Make objects in range declarations immutable by default. Avoid
 unnecessary copying of objects in range declarations.

---
 src/qt/trafficgraphwidget.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/qt/trafficgraphwidget.cpp')

diff --git a/src/qt/trafficgraphwidget.cpp b/src/qt/trafficgraphwidget.cpp
index f087e7569c..3aed3f2b97 100644
--- a/src/qt/trafficgraphwidget.cpp
+++ b/src/qt/trafficgraphwidget.cpp
@@ -141,10 +141,10 @@ void TrafficGraphWidget::updateRates()
     }
 
     float tmax = 0.0f;
-    for (float f : vSamplesIn) {
+    for (const float f : vSamplesIn) {
         if(f > tmax) tmax = f;
     }
-    for (float f : vSamplesOut) {
+    for (const float f : vSamplesOut) {
         if(f > tmax) tmax = f;
     }
     fMax = tmax;
-- 
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