fix crash on check/065. Added safety check in the statement
fix crash on check/065. Added safety check in the statement

(issue #1722)

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