NULL out the buffer in the Vector<T, inline> destructor.

Source/wtf/Vector.h

 /*
  *  Copyright (C) 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Library General Public
  *  License as published by the Free Software Foundation; either
  *  version 2 of the License, or (at your option) any later version.
  *
  *  This library is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 371 matching lines @@
         VectorBuffer(size_t capacity)
             : Base(inlineBuffer(), inlineCapacity)
         {
             if (capacity > inlineCapacity)
                 Base::allocateBuffer(capacity);
         }
 
         ~VectorBuffer()
         {
             deallocateBuffer(buffer());
+            m_buffer = 0;
         }
 
         void allocateBuffer(size_t newCapacity)
         {
             // FIXME: This should ASSERT(!m_buffer) to catch misuse/leaks.
             if (newCapacity > inlineCapacity)
                 Base::allocateBuffer(newCapacity);
             else {
                 m_buffer = inlineBuffer();
                 m_capacity = inlineCapacity;
@@ skipping 661 matching lines @@
     inline bool operator!=(const Vector<T, inlineCapacity>& a, const Vector<T, inlineCapacity>& b)
     {
         return !(a == b);
     }
 
 } // namespace WTF
 
 using WTF::Vector;
 
 #endif // WTF_Vector_h