From 02ba124667906c9ec81070373ee016d3076ba32b Mon Sep 17 00:00:00 2001
From: James Jackson-South <james_south@hotmail.com>
Date: Thu, 7 Dec 2017 12:27:56 +1100
Subject: [PATCH] Use ref

---
 src/ImageSharp/Quantizers/WuQuantizer{TPixel}.cs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/ImageSharp/Quantizers/WuQuantizer{TPixel}.cs b/src/ImageSharp/Quantizers/WuQuantizer{TPixel}.cs
index 44311e080..d58a960b5 100644
--- a/src/ImageSharp/Quantizers/WuQuantizer{TPixel}.cs
+++ b/src/ImageSharp/Quantizers/WuQuantizer{TPixel}.cs
@@ -179,9 +179,8 @@ namespace SixLabors.ImageSharp.Quantizers
                         float b = Volume(this.colorCube[k], this.vmb) / weight;
                         float a = Volume(this.colorCube[k], this.vma) / weight;
 
-                        var color = default(TPixel);
+                        ref TPixel color = ref this.palette[k];
                         color.PackFromVector4(new Vector4(r, g, b, a) / 255F);
-                        this.palette[k] = color;
                     }
                 }
             }