Add more missing closing namespace comments.

third_party/WebKit/Source/core/svg/SVGElementRareData.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/svg/SVGElementRareData.h"
 
 #include "core/css/CSSCursorImageValue.h"
 #include "core/css/resolver/StyleResolver.h"
 #include "core/dom/Document.h"
 #include "core/svg/SVGCursorElement.h"
@@ skipping 53 matching lines @@
         ASSERT(!m_cursorElement || Heap::isHeapObjectAlive(m_cursorElement));
         ASSERT(!m_cursorImageValue || Heap::isHeapObjectAlive(m_cursorImageValue));
 #endif
 }
 
 AffineTransform* SVGElementRareData::animateMotionTransform()
 {
     return &m_animateMotionTransform;
 }
 
-}
+} // namespace blink