[rfa] varobj.c fix -Wuninitialized warnings

[Andrew Cagney]

Fernando Nasser wrote:
> 
> Andrew Cagney wrote:
> >
> > Hello,
> >
> > The attatched supresses a few -Wuninitialized warnings in varobj.c.  It
> > also tweeks the Makefile so that varobj.c can be compiled with the
> > -Werror option.
> >
> > ok?
> >
> 
> Yes.  Thank you.

Done.
	Andrew