bitmap: Changes to 'master'

[Alan Coopersmith]

 atobm.c      |    3 ++-
 bmtoa.c      |   23 +++++++++--------------
 configure.ac |    4 ++--
 3 files changed, 13 insertions(+), 17 deletions(-)

New commits:
commit d028190d036f25472dba587863322a8fe03dda95
Author: Alan Coopersmith <alan.coopersmith at oracle.com>
Date:   Sun Apr 21 15:02:52 2013 -0700

    Mark usage() functions as noreturn, as suggested by gcc
    
    Signed-off-by: Alan Coopersmith <alan.coopersmith at oracle.com>

commit f36566239cc9119882a36273c3eefb90962d6ee5
Author: Alan Coopersmith <alan.coopersmith at oracle.com>
Date:   Sun Apr 21 14:52:01 2013 -0700

    Simplify & unify error path between mktemp & mkstemp versions
    
    This also now catches errors when fopen() or fdopen() fail, before
    we try to fwrite() to a null FILE pointer.
    
    Signed-off-by: Alan Coopersmith <alan.coopersmith at oracle.com>

commit 249695649bb25f500d1525f655ca317428ea6044
Author: Alan Coopersmith <alan.coopersmith at oracle.com>
Date:   Sun Apr 21 14:46:24 2013 -0700

    Fix genererate typo in bmtoa error messages
    
    Signed-off-by: Alan Coopersmith <alan.coopersmith at oracle.com>