Deletes a folder list handle from memory. The folder list handle is returned by FolderListCreate or FolderListCreateFromView.
AFTKN_FLDRLIST_DELETE or 706
VOID FolderListDelete(DWORD FolderListHandle)
IMPORTANT: Delete a file folder list handle after it is used to create an item list, or when it is no longer needed, or system resources will be lost.