Fixing use of deprecated SpamProtectorManager::update_form()
Fixing use of deprecated SpamProtectorManager::update_form()

gordonbanderson/silverstripe-forum,mandrew/silverstripe-forum,camfindlay/silverstripe-forum,gordonbanderson/silverstripe-forum,Olliepop/silverstripe-forum,mandrew/silverstripe-forum,Olliepop/silverstripe-forum,camfindlay/silverstripe-forum