[PUSHED] Xlib import via generic pkg-config

[Caolán McNamara]

On Wed, 2012-11-21 at 14:30 +0000, =?UTF-8?Q?Caol=C3=A1n_McNamara_ ?=
wrote:
> Hi,
> 
> Thank you for your patch! :-)  It has been merged to LibreOffice.

That didn't work out too well, as it turns out our baseline tinderbox is
apparently sufficiently old that it requires the x11_extensions or some
such.

Guess we'll have to get around to bumping to a RHEL-5-ish baseline and
see how far that takes us.

C.