From ecc6a84a63742db195c9a43811c69ceaa013fada Mon Sep 17 00:00:00 2001
From: Anthony Geay <anthony.geay@edf.fr>
Date: Thu, 28 Dec 2017 12:04:16 +0100
Subject: [PATCH] Porting to VTK8.1

---
 src/OBJECT/SMESH_ScalarBarActor.cxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/OBJECT/SMESH_ScalarBarActor.cxx b/src/OBJECT/SMESH_ScalarBarActor.cxx
index 8096b1609..e631e856c 100644
--- a/src/OBJECT/SMESH_ScalarBarActor.cxx
+++ b/src/OBJECT/SMESH_ScalarBarActor.cxx
@@ -557,7 +557,8 @@ int SMESH_ScalarBarActor::RenderOpaqueGeometry(vtkViewport *viewport)
     }
 
     //polygons & cell colors
-    unsigned char *rgba, *rgb;
+    unsigned char *rgb;
+    const unsigned char *rgba;
     vtkIdType ptIds[4], dcCount=0;
     for ( i = 0; i < numColors; i++ )
     {