pushed: [varobj] false type-changed status for reference to Ada array

[Joel Brobecker]

> gdb/ChangeLog:
> 
>         * varobj.c (varobj_value_has_mutated): If NEW_VALUE is
>         a reference, strip the reference layer before calling
>         the lang_ops value_has_mutated callback.
> 
> gdb/testsuite/ChangeLog:
> 
>         * gdb.ada/mi_dyn_arr: New testcase.
> 

For the record, I just pushed this patch.

Thanks :)
-- 
Joel