ntdll: remove an unnecessary NULL check : Coverity

[Jeff L]

Dmitry Timoshkov wrote:
> "Jeff Latimer" <lats at yless4u.com.au> wrote:
>
>> Coverity Cid:344 highlighted a REVERSE-INULL.  This patch removes the 
>> redundant null tests as it is clear from the code above that the 
>> pointer has already been used to dereference and can't be null.
>
> Yes, 'attr' is used without a NULL check earlier, but that's an actual
> bug, and that's where the code needs to be fixed.
>
So in this case my change is ok for the tidy up that it is, it just that 
there is another problem.  Is this in bugzilla?

Jeff