fix import statements for getGlyph and getWidth
fix import statements for getGlyph and getWidth

(issue #1413)

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