Small fix to VideoMixer

[Michael Rubinstein]

> Date: Fri, 24 Aug 2012 19:47:09 +0100
> From: Tim-Philipp M?ller <t.i.m at zen.co.uk>
> 
> On Fri, 2012-08-24 at 13:38 -0400, Michael Rubinstein wrote:
> 
> > " LITTLE_ENDIAN" without the "G_" in not defined,  so the test comes
> > out wrong.
> 
> Thanks, I've pushed your fix now. It would be great if next time you could
file
> a bug in bugzilla [0] instead to make sure the problem or patch isn't
> overlooked or forgotten about.
> 
>  Cheers
>   -Tim

I'll use bugzilla next time.  Thanks for accepting the fix.

Michael