Fix bug 30675 (triplet-ar, triplet-ranlib)

[Paolo Carlini]

Joseph S. Myers wrote:

>On Sun, 11 Mar 2007, Hans-Peter Nilsson wrote:
>
>>Seeing as we have the correct values in environment, here's IMHO
>>a better solution.  Can you please verify that it still works
>>for your environment?  I can't see why not, and I think it
>>    
>>
>My environment is installed-toolchain testing, where there's no reason for 
>*_FOR_TARGET to be in the environment.  Yes, the patch works for me (no 
>doubt still using the transforms).
>  
>
Thanks. Therefore, I would be in favor of applying the patch. Assuming 
the other libstdc++ maintainers do not object during the next 24 hours 
please go ahead.

Thanks,
Paolo.