Have RenderBlockFlow sub-classes' methods call their super-class method properly.

Source/core/rendering/RenderTableCaption.cpp

 /*
  * Copyright (C) 2011 Robert Hogan <robert@roberthogan.net>
  *
  * 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 30 matching lines @@
 
 void RenderTableCaption::insertedIntoTree()
 {
     RenderBlockFlow::insertedIntoTree();
 
     table()->addCaption(this);
 }
 
 void RenderTableCaption::willBeRemovedFromTree()
 {
-    RenderBlock::willBeRemovedFromTree();
+    RenderBlockFlow::willBeRemovedFromTree();
 
     table()->removeCaption(this);
 }
 
 RenderTable* RenderTableCaption::table() const
 {
     return toRenderTable(parent());
 }
 
 }