[cairo] fix alignment issue on SPARC processors

[Bryce Harrington]

On Sat, Dec 06, 2014 at 12:52:07AM -0800, Bryce Harrington wrote:
> > -    pool->current = pool->sentinel;
> > -    pool->sentinel->size = 0;
> > +    pool->current = (void *) &pool->sentinel[0];
> > +    pool->current->size = 0;
> 
> This is intentional to set the current chunk's size to 0?

Ah, just realized after replying that the pointers are pointing to the
same thing so the before and after lines do exactly the same thing.  So
nevermind!

 
> Assuming it is, 
> 
> Reviewed-by: Bryce Harrington <bryce at osg.samsung.com>
> 
> >  }
> >  
> >  /* Rewinds the cell list's cursor to the beginning.  After rewinding
> > -- 
> > 2.1.3
> > 
> 
> 
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