iceauth: Changes to 'master'

[Alan Coopersmith]

 configure.ac |    6 +-----
 iceauth.c    |    3 ++-
 process.c    |   24 ++++--------------------
 3 files changed, 7 insertions(+), 26 deletions(-)

New commits:
commit 21e6ddc42acc7864fb260c101060dee5cebf07c1
Author: Alan Coopersmith <alan.coopersmith at oracle.com>
Date:   Sat Feb 23 10:07:03 2013 -0800

    Add _X_NORETURN attributes suggested by gcc
    
    Signed-off-by: Alan Coopersmith <alan.coopersmith at oracle.com>

commit ef04ccaac0e501612367c098410129f89e1d109a
Author: Alan Coopersmith <alan.coopersmith at oracle.com>
Date:   Sat Feb 23 10:02:50 2013 -0800

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