Remove G_GNUC_PURE attr from pango_glyph_string_get_width()
Remove G_GNUC_PURE attr from pango_glyph_string_get_width()

Since the glyph widths can be adjusted directly.

danny-ku/pango,kari-lentz/alpha-pango,zsx/pango,OpenInkpot-archive/iplinux-pango1.0,zsx/pango,kari-lentz/alpha-pango,Distrotech/pango,kari-lentz/alpha-pango,zsx/pango,Distrotech/pango,kari-lentz/alpha-pango,danny-ku/pango,zsx/pango,danny-ku/pango,OpenInkpot-archive/iplinux-pango1.0,OpenInkpot-archive/iplinux-pango1.0,Distrotech/pango