[RFA/dwarf2] Set language to Ada for Ada compilation units

[Joel Brobecker]

>    > 2004-10-07  Joel Brobecker  <brobecker@gnat.com>
>    > 
>    >         * dwarf2read.c (set_cu_language): Set language to Ada for
>    >         DW_LANG_Ada83 and DW_LANG_Ada95.
>    > 
> 
> OK.

Thanks! Checked in.

-- 
Joel