From 98c0da9cf540c9c2a199e2c94434e746798bded0 Mon Sep 17 00:00:00 2001
From: "Juergen E. Fischer" <jef@norbit.de>
Date: Thu, 6 Oct 2016 12:09:15 +0200
Subject: [PATCH] grass plugin fix (followup 3b0486c)

---
 src/plugins/grass/qgsgrasseditrenderer.cpp | 2 +-
 src/plugins/grass/qgsgrasseditrenderer.h   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/plugins/grass/qgsgrasseditrenderer.cpp b/src/plugins/grass/qgsgrasseditrenderer.cpp
index 6c224bf0bad..dc7cc139402 100644
--- a/src/plugins/grass/qgsgrasseditrenderer.cpp
+++ b/src/plugins/grass/qgsgrasseditrenderer.cpp
@@ -173,7 +173,7 @@ void QgsGrassEditRenderer::stopRender( QgsRenderContext& context )
   mMarkerRenderer->stopRender( context );
 }
 
-QSet<QString> QgsGrassEditRenderer::usedAttributes()
+QSet<QString> QgsGrassEditRenderer::usedAttributes() const
 {
   return mLineRenderer->usedAttributes();
 }
diff --git a/src/plugins/grass/qgsgrasseditrenderer.h b/src/plugins/grass/qgsgrasseditrenderer.h
index f4c796fe28e..1162b23f647 100644
--- a/src/plugins/grass/qgsgrasseditrenderer.h
+++ b/src/plugins/grass/qgsgrasseditrenderer.h
@@ -38,7 +38,7 @@ class QgsGrassEditRenderer : public QgsFeatureRenderer
 
     virtual void stopRender( QgsRenderContext& context ) override;
 
-    virtual QSet<QString> usedAttributes() override;
+    virtual QSet<QString> usedAttributes() const override;
 
     virtual QgsFeatureRenderer* clone() const override;