From 9b81cd9ed26ac59d52e5b69011e44d0452ff19b9 Mon Sep 17 00:00:00 2001
From: Dave Pugmire <dpugmire@gmail.com>
Date: Fri, 1 Jul 2016 07:34:03 -0400
Subject: [PATCH] Remove compiler warning.

---
 vtkm/rendering/testing/UnitTestMapperGLUT.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/vtkm/rendering/testing/UnitTestMapperGLUT.cxx b/vtkm/rendering/testing/UnitTestMapperGLUT.cxx
index aaab51b59..69af768a7 100644
--- a/vtkm/rendering/testing/UnitTestMapperGLUT.cxx
+++ b/vtkm/rendering/testing/UnitTestMapperGLUT.cxx
@@ -43,7 +43,7 @@
 
 namespace {
 static const vtkm::Id WIDTH = 512, HEIGHT = 512;
-static vtkm::Id windowID, which = 0, NUM_DATASETS = 4;
+static vtkm::Int32 windowID, which = 0, NUM_DATASETS = 4;
 static vtkm::rendering::ColorTable colorTable("thermal");
 static vtkm::cont::testing::MakeTestDataSet maker;