Fix for bug 129135 (XMLSerializer is broken). r=heikki, sr=jst, a=shaver.

content/base/src/nsDOMSerializer.cpp

@@ -66,7 +66,7 @@ nsDOMSerializer::~nsDOMSerializer()
 NS_INTERFACE_MAP_BEGIN(nsDOMSerializer)
   NS_INTERFACE_MAP_ENTRY(nsISupports)
   NS_INTERFACE_MAP_ENTRY(nsIDOMSerializer)
-  NS_INTERFACE_MAP_ENTRY_EXTERNAL_DOM_CLASSINFO(DOMSerializer)
+  NS_INTERFACE_MAP_ENTRY_EXTERNAL_DOM_CLASSINFO(XMLSerializer)
 NS_INTERFACE_MAP_END