From a71d937b2081b0bd0741623bb42b0279dc0c9a59 Mon Sep 17 00:00:00 2001
From: Luigi Pirelli <luipir@gmail.com>
Date: Sat, 2 Feb 2019 11:43:45 +0100
Subject: [PATCH] better a static list to avoid set at every call

---
 src/core/raster/qgsmultibandcolorrenderer.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/core/raster/qgsmultibandcolorrenderer.cpp b/src/core/raster/qgsmultibandcolorrenderer.cpp
index 2ee3cb5a240..a9e06156747 100644
--- a/src/core/raster/qgsmultibandcolorrenderer.cpp
+++ b/src/core/raster/qgsmultibandcolorrenderer.cpp
@@ -504,8 +504,7 @@ void QgsMultiBandColorRenderer::toSld( QDomDocument &doc, QDomElement &element,
   }
 
   // for each mapped band
-  QStringList tags;
-  tags << QStringLiteral( "sld:RedChannel" ) << QStringLiteral( "sld:GreenChannel" ) << QStringLiteral( "sld:BlueChannel" );
+  static QStringList tags { QStringLiteral( "sld:RedChannel" ), QStringLiteral( "sld:GreenChannel" ), QStringLiteral( "sld:BlueChannel" ) };
 
   QList<QgsContrastEnhancement *> contrastEnhancements;
   contrastEnhancements.append( mRedContrastEnhancement );