xdm: Changes to 'master'

[Egbert Eich]

 xdm/dm.c |   47 +++++++++++++++++++++++++++--------------------
 1 file changed, 27 insertions(+), 20 deletions(-)

New commits:
commit f4ddb33f2168acfee0034379c2f69c82e0aa768a
Author: Egbert Eich <eich at suse.de>
Date:   Fri May 22 10:36:03 2015 +0200

    dm: Don't crash if argc == 0
    
    It is not guaranteed that argc > 0. So make sure we don't crash
    if no valid command line arguments are given.
    
    Signed-off-by: Egbert Eich <eich at suse.de>
    Reviewed-by: Alan Coopersmith <alan.coopersmith at oracle.com>