From 143b750dc9dd4c485f7c50fcda704611556a8525 Mon Sep 17 00:00:00 2001
From: John <johndygit@live.com.ph>
Date: Tue, 15 Mar 2016 16:01:57 +0800
Subject: [PATCH] Exclude BuildTargetGroup.Unknown

---
 .../Assets/spine-unity/Editor/SpineEditorUtilities.cs        | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/spine-unity/Assets/spine-unity/Editor/SpineEditorUtilities.cs b/spine-unity/Assets/spine-unity/Editor/SpineEditorUtilities.cs
index 11e9c737a..d99750ab3 100644
--- a/spine-unity/Assets/spine-unity/Editor/SpineEditorUtilities.cs
+++ b/spine-unity/Assets/spine-unity/Editor/SpineEditorUtilities.cs
@@ -1135,10 +1135,13 @@ public class SpineEditorUtilities : AssetPostprocessor {
 	static void EnableTK2D () {
 		bool added = false;
 		foreach (BuildTargetGroup group in System.Enum.GetValues(typeof(BuildTargetGroup))) {
+			if (group == BuildTargetGroup.Unknown)
+				continue;
+			
 			string defines = PlayerSettings.GetScriptingDefineSymbolsForGroup(group);
 			if (!defines.Contains(SPINE_TK2D_DEFINE)) {
 				added = true;
-				if (defines.EndsWith(";"))
+				if (defines.EndsWith(";", System.StringComparison.Ordinal))
 					defines = defines + SPINE_TK2D_DEFINE;
 				else
 					defines = defines + ";" + SPINE_TK2D_DEFINE;