xwininfo: Changes to 'master'

[Jeremy Huddleston]

 Makefile.am  |    4 ++--
 configure.ac |    5 +++++
 strnlen.c    |   37 +++++++++++++++++++++++++++++++++++++
 strnlen.h    |   32 ++++++++++++++++++++++++++++++++
 xwininfo.c   |    4 ++++
 5 files changed, 80 insertions(+), 2 deletions(-)

New commits:
commit 8263f19cf9002c7b5f2967a2bde7af4ed117c1e5
Author: Jeremy Huddleston <jeremyhu at apple.com>
Date:   Sat Jul 10 10:19:14 2010 -0700

    strnlen: Fix building on systems without strnlen(3)
    
    Signed-off-by: Jeremy Huddleston <jeremyhu at apple.com>