Update to new release version. Updated. Update version number.
    
    2006-01-21  Brian Cameron  <brian.cameron@sun.com>
    
            * Release 2.17.7:
            * configure.ac: Update to new release version.
            * NEWS: Updated.
            * docs/C/gdm.xml: Update version number.
    
    svn path=/trunk/; revision=4580