Patch: Implement native drawString using Pango

[Tom Tromey]

>>>>> "Tom" == Thomas Fitzsimmons <fitzsim@redhat.com> writes:

Tom> This patch changes the native implementation of
Tom> GdkGraphics.drawString to use Pango text-handling functions.  The
Tom> existing XLFD implementation was producing completely incorrect
Tom> output.

Looks good to me, thanks.

Tom> +  pango_font_description_free (font_desc);

Is it expensive to get the pango font description?  Would caching be
advisable?

Tom