Bug 504087 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(IMETextTxn) incorrectly used NS_INTERFACE_MAP_END_INHERITING(EditTxn)

r=neil

editor/libeditor/base/IMETextTxn.cpp

@@ -69,7 +69,7 @@ NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(IMETextTxn)
     *aInstancePtr = (void*)(IMETextTxn*)this;
     NS_ADDREF_THIS();
     return NS_OK;
-  }
+  } else
 NS_INTERFACE_MAP_END_INHERITING(EditTxn)
 
 NS_IMETHODIMP IMETextTxn::Init(nsIDOMCharacterData     *aElement,

editor/libeditor/base/InsertTextTxn.cpp

@@ -64,7 +64,7 @@ NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(InsertTextTxn)
     *aInstancePtr = (void*)(InsertTextTxn*)this;
     NS_ADDREF_THIS();
     return NS_OK;
-  }
+  } else
 NS_INTERFACE_MAP_END_INHERITING(EditTxn)
 
 NS_IMETHODIMP InsertTextTxn::Init(nsIDOMCharacterData *aElement,