fix issue #936: checking for proper usWinAscent/Descent
fix issue #936: checking for proper usWinAscent/Descent

googlefonts/fontbakery,moyogo/fontbakery,graphicore/fontbakery,graphicore/fontbakery,moyogo/fontbakery,googlefonts/fontbakery,graphicore/fontbakery,googlefonts/fontbakery,moyogo/fontbakery