[HarfBuzz] Infinite loop during decomposition when icu_unicode_funcs is used

[Steven R. Loomis]

On 10/28/2011 07:37 AM, Behdad Esfahbod wrote:
> Ah, interesting.  I should be more careful, reading API docs actually.  Thanks
> for the patch, will push out with the next batch.
>
> behdad

the patch looks good, for counting code units.

I haven't looked at the context, may be a more efficient way to do this.

-s