Robustify MI tests

[Daniel Jacobowitz]

On Sun, Mar 25, 2007 at 11:21:48AM +0300, Vladimir Prus wrote:
> 
> This patch makes some MI tests more robust. In one case,
> a test included lots of uninitialized variables, and assumed
> some particular result of -var-update. In another case, there
> were pointers to single char, which are printed as strings,
> and the printed values are unpredictable.
> 
> OK?

OK, thanks.

-- 
Daniel Jacobowitz
CodeSourcery