adding allow-none introspection metadata to pango_font_get_metrics parameters
adding allow-none introspection metadata to pango_font_get_metrics parameters

kari-lentz/alpha-pango,Distrotech/pango,kari-lentz/alpha-pango,danny-ku/pango,Distrotech/pango,danny-ku/pango,danny-ku/pango,kari-lentz/alpha-pango,Distrotech/pango,kari-lentz/alpha-pango