[Xcb] Predefined atoms

[Arnaud Fontaine]

>>>>> Jamey Sharp <jamey at minilop.net> writes:

Hi Jamey,

    > Reviewed-by: Jamey Sharp <jamey at minilop.net>

    > Looks good to me. Assuming it compiles and works :-) feel free to
    > commit it.

Thanks for the review. Well, it  compiles without warning, so I guess it
works fine ;).

Cheers,
Arnaud