* w32.c (acl_set_file): Treat ERROR_ACCESS_DENIED from
set_file_security as failure due to insufficient privileges.
Reported by Fabrice Popineau <fabrice.popineau@supelec.fr>.
+ (fstat): Return owner and group like 'stat' and 'lstat' do.
2013-01-19 Paul Eggert <eggert@cs.ucla.edu>