From b9a15d416d1591c6bd0acb0c934faf707169f772 Mon Sep 17 00:00:00 2001
From: JoelKatz <DavidJoelSchwartz@GMail.com>
Date: Wed, 30 May 2012 14:00:13 -0700
Subject: [PATCH] Support zero-length addVL

---
 src/Serializer.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Serializer.cpp b/src/Serializer.cpp
index df891070bf..cae1962967 100644
--- a/src/Serializer.cpp
+++ b/src/Serializer.cpp
@@ -279,7 +279,7 @@ int Serializer::addVL(const std::vector<unsigned char>& vector)
 int Serializer::addVL(const void *ptr, int len)
 {
 	int ret = addRaw(encodeVL(len));
-	addRaw(ptr, len);
+	if (len) addRaw(ptr, len);
 	return ret;
 }