[Xcb] release of util package

[Barton C Massey]

In message <sa5pru5t633.fsf at Orfeo.duckcorp.org> you wrote:
> Actually, size_hints_t  structure is  declared as private  (icccm.c), so
> size_hints_t structure  is only  available through accessors.   Maybe it
> would  be better to  make the  declaration of  this structure  public? I
> would also need to get 'flags' member... What do you think?

This is Jamey's code.  We need him to comment on what he
thinks.

    Bart