outlineCompiler: use getattr(info, attr, None) as suggested by madig
outlineCompiler: use getattr(info, attr, None) as suggested by madig

Co-Authored-By: Nikolaus Waxweiler <c17255fa3a99f1a6ae4c5c4f28ed66197925e037@gmail.com>
googlefonts/ufo2ft,moyogo/ufo2ft,jamesgk/ufo2ft,jamesgk/ufo2fdk,googlei18n/ufo2ft