RFR: 6584008: jvmtiStringPrimitiveCallback should not be invoked when string value is null

[Staffan Larsen]

> On 15 jan 2015, at 19:20, Andrew Haley <aph at redhat.com> wrote:
> 
> On 01/12/2015 07:51 AM, Staffan Larsen wrote:
>> Looks good. But I would appreciate if you could add braces to the if-statement. 
> 
> Done.  http://cr.openjdk.java.net/~aph/JDK-6584008-2/
> 
> I think I can't push this myself.

I can push this for you if we get a second review. 

/Staffan