From 4788b751fb616757033c805ad33062fd7128a42a Mon Sep 17 00:00:00 2001
From: yvt <i@yvt.jp>
Date: Sun, 24 Nov 2013 00:17:28 +0900
Subject: [PATCH] Fixed a bug that assignment of NULL to Handle<T> caused a
 crash

---
 Sources/Core/RefCountedObject.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Sources/Core/RefCountedObject.h b/Sources/Core/RefCountedObject.h
index 95f12ce2..5b519b1d 100644
--- a/Sources/Core/RefCountedObject.h
+++ b/Sources/Core/RefCountedObject.h
@@ -76,7 +76,7 @@ namespace spades {
 			}
 			T *old = ptr;
 			ptr = p;
-			if(add)
+			if(add && ptr)
 				ptr->AddRef();
 			if(old)
 				old->Release();