add an additional one-slot global content list cache. Bug 140758 stuff

again, patch by jst@netscape.com, r=bzbarsky, sr=rbs


git-svn-id: svn://10.0.0.236/trunk@124834 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/content/build/nsContentModule.cpp

@@ -107,6 +107,7 @@
 #include "nsRuleNode.h"
 #include "nsWyciwygProtocolHandler.h"
 #include "nsContentAreaDragDrop.h"
+#include "nsContentList.h"
 
 
 class nsIDocumentLoaderFactory;
@@ -233,6 +234,7 @@ Shutdown(nsIModule* aSelf)
   nsGenericElement::Shutdown();
   nsGenericDOMDataNode::Shutdown();
   nsEventListenerManager::Shutdown();
+  nsContentList::Shutdown();
   nsComputedDOMStyle::Shutdown();
 
   // Release all of our atoms