Fix for DebuggingNewlib wiki page

[Gene Smith]

On 09/04/2016 08:16 PM, Gedare Bloom wrote:
> Thanks I will try to come back to make these fixes, or someone else
> with a wiki account can. You should (in theory) be able to create a
> wiki account and "Edit this page" button on the bottom should appear.
>

I registered and made the changes.

Thanks,
-gene