From 9263213d8ec67af07498987cb3684a7623bc1dd4 Mon Sep 17 00:00:00 2001
From: Bert Belder <bertbelder@gmail.com>
Date: Fri, 17 Aug 2012 01:08:06 +0200
Subject: [PATCH] Avoid compiler warning about negating unsigned value

---
 src/node_buffer.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/node_buffer.cc b/src/node_buffer.cc
index 35ddde531bc..e80611f8772 100644
--- a/src/node_buffer.cc
+++ b/src/node_buffer.cc
@@ -206,7 +206,8 @@ void Buffer::Replace(char *data, size_t length,
     callback_(data_, callback_hint_);
   } else if (length_) {
     delete [] data_;
-    V8::AdjustAmountOfExternalAllocatedMemory(-(sizeof(Buffer) + length_));
+    V8::AdjustAmountOfExternalAllocatedMemory(
+        -static_cast<intptr_t>(sizeof(Buffer) + length_));
   }
 
   length_ = length;