[PATCH] Fix NameFinder.java when addr2line does not exist

[Bryce McKinlay]

Andrew Pinski wrote:

> The problem here is that we really don't take into effect that a 
> couple of variables
> could be null so get some NPE (NullPointerExceptions).  This patch 
> fixes up the
> problem and now on darwin, I can get a backtrace without the message 
> saying NPE
> was thrown when printing out the backtrace.
>
> OK? Bootstrapped and tested on ppc-darwin with no regressions.
>
> Thanks,
> Andrew Pinski
>
> ChangeLog:
>
>     * gnu/gcj/runtime/NameFinder.java (close): IN, OUT, and PROC can 
> all be null,
>     check for that case and don't deference it.


OK

Bryce