RFA: remove redundant code in ada-lang.c

[Joel Brobecker]

Hi Jim,

> I don't have an Ada compiler handy, so I can't test this, but does
> this look right, Joel?  It seems to me that since
> ada_value_primitive_packed_val is passed arr as its 'obj' parameter,
> v's lvalue type should already be set accordingly.
> 
> 2006-11-22  Jim Blandy  <jimb@codesourcery.com>
> 
> 	* ada-lang.c (value_subscript_packed): Don't bother to set the
> 	lvalue type of the returned value here;
> 	ada_value_primitive_packed_val takes care of that.

Paul Hilfinger reviewed the patch for us and said that it looked good.
I tested it on my laptop and showed no regression.

Thanks for the patch!
-- 
Joel