Fixed annotation typo and added (allow-none) to pango_layout_index_to_line_x
Fixed annotation typo and added (allow-none) to pango_layout_index_to_line_x

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