[cairo] fix alignment issue on SPARC processors

[Paul Sladen]

On Fri, 5 Dec 2014, Martin Husemann wrote:
> On Thu, Dec 04, 2014 at 06:39:10PM +0100, Uli Schlachter wrote:
> > I would instead suggest
> the better way

  ... __attribute__ ((aligned (8)));

?

	-Paul