xdm: Changes to 'master'

[Alan Coopersmith]

 greeter/Login.h |   31 ++++++++++++++++++++-----------
 1 files changed, 20 insertions(+), 11 deletions(-)

New commits:
commit 6e2362e825dfec6df73f1338088a850225ed92d2
Author: Alan Coopersmith <alan.coopersmith at sun.com>
Date:   Tue Feb 6 11:34:30 2007 -0800

    Rearrange checks for maximum username & password length
    
    Give preference to standard definitions, use less hardcoded knowledge about
    which platforms provide other definitions.