2010-05-23 Chris Allegretta <chrisa@asty.org>

2010-05-23 Chris Allegretta <chrisa@asty.org>
        * files.c (write_file): Don't even try to chown() the backup
          file unless we're root, since it's probably going to fail if
          we're editing a file we don't own.  Fixes Savannah bug
          29514: [nano 2.2.2] backup should ignore chown errors.

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@4507 35c25a1d-7b9e-4130-9fde-d3aeb78583b8