[obv] Add missing PR to ChangeLog entry

[Sergio Durigan Junior]

On Thursday, June 06 2013, Gary Benson wrote:

> I omitted to reference the relevant PR in one of my probes commits.
> This commit fixes.
[...]
> Index: gdb/ChangeLog
> ===================================================================
> RCS file: /cvs/src/src/gdb/ChangeLog,v
> retrieving revision 1.15690
> diff -u -r1.15690 ChangeLog
> --- gdb/ChangeLog	5 Jun 2013 22:28:51 -0000	1.15690
> +++ gdb/ChangeLog	6 Jun 2013 08:47:14 -0000
> @@ -26,6 +26,7 @@
>  
>  2013-06-04  Gary Benson  <gbenson@redhat.com>
>  
> +	PR 2328
>  	* breakpoint.h (handle_solib_event): Moved function declaration
>  	to solib.h.
>  	* breakpoint.c (handle_solib_event): Moved function to solib.c.

Hey Gary,

Just for the sake of completeness, when refering a PR one usually uses
the "product/number" notation, so in this case it would be "PR
glibc/2328".

Thanks,

-- 
Sergio