libxt: Changes to 'master'

[David Nusinow <dnusinow@alioth.debian.org>]

New branch 'master' available with the following commits:
commit 6b483e355de6c5ee5dc635ab9b817bf72680b016
Author: Julien Cristau <jcristau@debian.org>
Date:   Sat Jun 23 15:20:09 2007 +0100

    Allow C++ apps to build using libXt

commit 845e51c740574db2f72a5e7c5462d8f56a3c4e22
Author: Andreas Luik <luik@orthogon.com>
Date:   Sun Apr 8 00:43:56 2007 +0300

    Recalculate fd_set more aggressively (bug #808)
    
    select() can modify the fd set, so be a bit pessimistic and recalculate
    it more often.

commit 007d9e5f8b2edc3ff8ce8b2f96b8f56a417bb78d
Author: Matthieu Herrb <matthieu.herrb@laas.fr>
Date:   Mon Feb 26 18:27:43 2007 +0100

    Sync XtGetErrorDatabaseText() prototype with reality.

commit 4e7031510d05471e77ff48355b23fc8e4302648c
Author: Ben Byer <bbyer@bbyer.(none)>
Date:   Tue Feb 20 01:05:27 2007 -0800

    added -flat_namespace to CFLAGS for Darwin