[Xcb] Keithp fixes util/image byteswapping

[Ulrich Eckhardt]

On Monday 08 September 2008 09:24:51 Barton C Massey wrote:
> Huge thanks to Keithp, who just did some very substantial
> changes to util/image to make it verifiably work in
> big-endian and mixed-endian settings.  The verification is
> provided by a new and very thorough test he wrote.  He also
> cleaned up a ton of cruft I'd put in there in the process.

I just verified it, and indeed it now works as I expected.

Thumbs up!

Uli