From b39ff7863cb95ce311f0c39fa8313a06ef611c1d Mon Sep 17 00:00:00 2001
From: John <johndygit@live.com.ph>
Date: Thu, 24 Aug 2017 17:47:49 +0800
Subject: [PATCH] [unity] Don't clear empty prefab MeshFilters.

---
 .../Assets/spine-unity/Editor/SkeletonRendererInspector.cs      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spine-unity/Assets/spine-unity/Editor/SkeletonRendererInspector.cs b/spine-unity/Assets/spine-unity/Editor/SkeletonRendererInspector.cs
index 8bfae3072..cbf4b60c9 100644
--- a/spine-unity/Assets/spine-unity/Editor/SkeletonRendererInspector.cs
+++ b/spine-unity/Assets/spine-unity/Editor/SkeletonRendererInspector.cs
@@ -170,7 +170,7 @@ namespace Spine.Unity.Editor {
 					#if NO_PREFAB_MESH
 					if (isInspectingPrefab) {
 						MeshFilter meshFilter = component.GetComponent<MeshFilter>();
-						if (meshFilter != null)
+						if (meshFilter != null && meshFilter.sharedMesh != null)
 							meshFilter.sharedMesh = null;
 					}
 					#endif