[HB] Fix Class operator return type
[HB] Fix Class operator return type

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