Fix glyph class building.  Oops!
Fix glyph class building.  Oops!

Bug 605870 - Incorrect shaping for Syriac

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