Fix use of wrong flag in noto_names.
Fix use of wrong flag in noto_names.

It was flagging an error on lacking preferred names but checking the
use_original flag instead.

moyogo/nototools,dougfelt/nototools,anthrotype/nototools,googlei18n/nototools,dougfelt/nototools,googlefonts/nototools,googlefonts/nototools,googlei18n/nototools,googlei18n/nototools,moyogo/nototools,anthrotype/nototools,moyogo/nototools,googlefonts/nototools,anthrotype/nototools,googlefonts/nototools,dougfelt/nototools,googlefonts/nototools