[newlib-cygwin] Also create NULL SID ACE if special POSIX bits are set

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=12cc8290e85cee8258ce1857a570506344401bbe

commit 12cc8290e85cee8258ce1857a570506344401bbe
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Mon Apr 18 15:36:34 2016 +0200

    Also create NULL SID ACE if special POSIX bits are set
    
    Commit e2ea143 forgot to take special POSIX bits into account.
    
    	* sec_acl.cc (set_posix_access): Make sure to create NULL SID
    	ACE if any special POSIX permission bits are set.
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/cygwin/sec_acl.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/winsup/cygwin/sec_acl.cc b/winsup/cygwin/sec_acl.cc
index 138fd3e..c8de174 100644
--- a/winsup/cygwin/sec_acl.cc
+++ b/winsup/cygwin/sec_acl.cc
@@ -362,6 +362,7 @@ set_posix_access (mode_t attr, uid_t uid, gid_t gid,
 	 ACE or we write it to avoid calls to AuthZ from get_posix_access. */
       if (!S_ISCHR (attr)
 	  && (has_class_obj
+	      || access != CYG_ACE_NEW_STYLE
 	      || ((user_obj | group_obj | other_obj) != user_obj
 		  || (group_obj | other_obj) != group_obj))
 	  && !add_access_denied_ace (acl, access, well_known_null_sid, acl_len,