Update: change AR and it's flags

[bertold]

> how to change AR and AR_FLAGS?
>
> ( i can do CC through CONFIG_SITE environment variable, but
> AR doesn't work this way)
>
> Gery


Well. I found the place in configure script where it is defines
CC and others , but...
nothing for AR, so i add it.
The only question remains is about AR_FLAGS, which i also can add
that way, but further code not using it. Why is it so strange?

Gery