xdm: Changes to 'master'

[Alan Coopersmith]

 configure.ac  |    3 ---
 include/dm.h  |    6 ++----
 xdm/dm.c      |   10 +++++-----
 xdm/reset.c   |    2 +-
 xdm/server.c  |   12 ++++++------
 xdm/session.c |    8 ++++----
 xdm/util.c    |    2 +-
 7 files changed, 19 insertions(+), 24 deletions(-)

New commits:
commit 87f9c9d8cae9461f22f9b55056433336bea354c8
Author: Alan Coopersmith <alan.coopersmith at oracle.com>
Date:   Sat Feb 23 10:29:02 2013 -0800

    Assume signal handlers return void, as C89 requires
    
    Drops use of autoconf's obsolete AC_TYPE_SIGNAL & RETSIGTYPE
    
    Signed-off-by: Alan Coopersmith <alan.coopersmith at oracle.com>