[ada RFA] Don't repetitively search static/global blocks

[Doug Evans]

On Tue, Mar 5, 2013 at 10:43 AM, Doug Evans <dje@google.com> wrote:
> Hi.
>
> This patch speeds up the time it takes to set a breakpoint on
> namespace::class::~class in one app here (using .gdb_index)
> from 210 seconds to 5 seconds.
> [5 seconds is still too long, but that's for separate patches]
> [...]
>
> 2013-03-05  Doug Evans  <dje@google.com>
>
>         * ada-lang.c (ada_lookup_sumbol_list_worker): New function, contents

Blech.  s/sumbol/symbol/ fixed in my sandbox.
[And Subject line fixed too.]