[RFA/Ada(v2) 3/3] Document "info exceptions" and "-info-ada-exception" new commands.

[Eli Zaretskii]

> From: Joel Brobecker <brobecker@adacore.com>
> Date: Fri,  8 Nov 2013 16:03:39 +0400
> 
> +The @code{info exceptions} command allows you to list all Ada exceptions
> +defined within the program being debugged, as well as their address.
                                                               ^^^^^^^
"addresses", in plural.

> +With a regular expression, @var{regexp}, as argument, only those exceptions
> +whose name matches @var{regexp} are listed.
         ^^^^^^^^^^^^
"names match", in plural.

> +With a regular expression @var{regexp}, only those exceptions whose
> +name matches @var{regexp} are listed.
   ^^^^^^^^^^^^
Likewise.

OK with those changes.  Thanks.