[cairo] Small cleanup to NEON

[Jeff Muizelaar]

On Fri, May 22, 2009 at 01:02:59PM +0000, Jonathan Morton wrote:
> The attached patch cleans up some warnings and a compile error when
> compiling for ARM NEON platforms.
> 

The zero initialization cause us to generate worse code for the warning
fixed versions. It would be nice if we could fix the warnings without
that problem. If not, it might still be worth fixing them...

-Jeff