rem: KLibFactory *factory = KLibLoader::self()->factory( mPtr->library() );
add: KLibFactory *factory = KLibLoader::self()->factory( mPtr->library().latin1() );
context: ExtensionFactory *ExtensionItem::factory() const{  KLibFactory *factory = KLibLoader::self()->factory( mPtr->library() );  if ( !factory )    return 0;  return static_cast<ExtensionFactory*>( factory );}