RFR (S): 8013466 SA crashes when attaching to a process on OS X

[Coleen Phillimore]

Seems like a safe fix.  Reviewed.
Coleen

On 04/29/2013 12:25 PM, Yumin Qi wrote:
> Looks good, thanks for the fix.
>
> /Yumin
> On 4/29/2013 7:34 AM, Staffan Larsen wrote:
>> Please review this small fix of additional NULL-checks in SA on OS X.
>>
>> webrev: http://cr.openjdk.java.net/~sla/8013466/webrev.00/
>>
>> Thanks,
>> /Staffan
>>
>