* fhandler_disk_file.cc (fhandler_disk_file::fstat_helper): Fix

wrong usage of S_IFDIR.
	* security.cc (get_attribute_from_acl): Ditto.
	(get_file_attribute): Fix wrong usage of S_IFLNK.
	(get_object_attribute): Ditto.
	(alloc_sd): Fix wrong usage of S_IFDIR.
	* syscalls.cc (chmod): Allow chmod'ing of socket files.

winsup/cygwin/syscalls.cc

@@ -904,7 +904,7 @@ chmod (const char *path, mode_t mode)
 
   /* FIXME: This makes chmod on a device succeed always.  Someday we'll want
      to actually allow chmod to work properly on devices. */
-  if (win32_path.is_device ())
+  if (win32_path.is_device () && !win32_path.issocket ())
     {
       res = 0;
       goto done;