[committed][gdb/testsuite] Fix regexp in gdb.ada/mi_var_access.exp

[Tom de Vries]

On 6/10/22 09:09, Tom de Vries wrote:
> On 6/10/22 09:04, Tom de Vries via Gdb-patches wrote:
>> Bug:https://sourceware.org/bugzilla/show_bug.cgi?id=27027
> 
> Hmm, I also submitted this yesterday, but missed that today because I 
> included the wrong Bug line, this should be:
> ...
> Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=28464
> ...

Committed.

Thanks,
- Tom