macosx: fix incorrect method name in filechooser
macosx: fix incorrect method name in filechooser

KeyWeeUsr/plyer,kostyll/plyer,kostyll/plyer,kived/plyer,kived/plyer,kivy/plyer,KeyWeeUsr/plyer,kivy/plyer,johnbolia/plyer,KeyWeeUsr/plyer,johnbolia/plyer,cleett/plyer,kivy/plyer,cleett/plyer