[Bug-tar] Tiny doc bug

[Gunter Ohrner]

>From http://git.savannah.gnu.org/cgit/tar.git/tree/doc/tar.texi :

> @opindex preserve
> @item --preserve
> Same as both @option{--same-permissions} and @option{--same-order}.
> 
> This option is deprecated, and will be removed in @GNUTAR{} version 1.23.

GNU tar is now at 1.28/1.29pre, and apparently, this option is still present. 
Thus either the documentation should be updated, or this option should be 
removed.

Regards,

  Gunter