[Ada] PR ada/61505

[Arnaud Charlet]

> 2014-06-14  Bernd Edlinger  <bernd.edlinger@hotmail.de>
> 
>         PR ada/61505
>         * gnat_rm.texi: Fix errors with makeinfo 5.1.

This looks good, except that there's a last change needed (at least according
to older versions of makeinfo), now detected:

--- gnat_rm.texi        (revision 211665)
+++ gnat_rm.texi        (working copy)
@@ -18268,7 +18268,6 @@
 * System.Restrictions (s-restri.ads)::
 * System.Rident (s-rident.ads)::
 * System.Strings.Stream_Ops (s-ststop.ads)::
-* System.Task_Info (s-tasinf.ads)::
 * System.Unsigned_Types (s-unstyp.ads)::
 * System.Wch_Cnv (s-wchcnv.ads)::
 * System.Wch_Con (s-wchcon.ads)::

OK with the above additional change, thanks.