Fix more Windows compile errors

sky/engine/core/dom/Node.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 1864 matching lines @@
 unsigned Node::lengthOfContents() const
 {
     // This switch statement must be consistent with that of Range::processContentsBetweenOffsets.
     switch (nodeType()) {
     case Node::TEXT_NODE:
         return toCharacterData(this)->length();
     case Node::ELEMENT_NODE:
     case Node::DOCUMENT_NODE:
     case Node::DOCUMENT_FRAGMENT_NODE:
         return toContainerNode(this)->countChildren();
-        return 0;
     }
     ASSERT_NOT_REACHED();
     return 0;
 }
 
 v8::Handle<v8::Object> Node::wrap(v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     ASSERT(!DOMDataStore::containsWrapperNonTemplate(this, isolate));
 
     const WrapperTypeInfo* wrapperType = wrapperTypeInfo();
@@ skipping 23 matching lines @@
         node->showTreeForThis();
 }
 
 void showNodePath(const blink::Node* node)
 {
     if (node)
         node->showNodePathForThis();
 }
 
 #endif