Don't document the types of standard typedefs

[Paul Eggert]

On 02/28/2012 07:17 AM, Joseph S. Myers wrote:
> Here is a revised patch describing the properties of these types (both
> generic from POSIX, and specific to the GNU C Library) but not exact
> equivalences.
> 
> 2012-02-28  Joseph Myers  <joseph@codesourcery.com>
> 
> 	* manual/filesys.texi (mode_t): Describe constraints on size and
> 	signedness, not exact equivalence to a particular type.
> 	(ino_t): Likewise.
> 	(ino64_t): Likewise.
> 	(dev_t): Likewise.
> 	(nlink_t): Likewise.
> 	(blkcnt_t): Likewise.
> 	(blkcnt64_t): Likewise.
> 	* manual/llio.texi (off_t): Likewise.

Thanks, I went over that patch and it looks good.