RFR: Resolve disabled warnings for the JVMTI demos

[Magnus Ihse Bursie]

Looks good to me. 

/Magnus

> 10 mar 2015 kl. 16:37 skrev Staffan Larsen <staffan.larsen at oracle.com>:
> 
> Please review these small fixes to remove a couple of warnings in the JVMTI demos.
> 
> bug: https://bugs.openjdk.java.net/browse/JDK-8074841
> bug: https://bugs.openjdk.java.net/browse/JDK-8074842
> webrev: http://cr.openjdk.java.net/~sla/8074841/webrev.00/
> 
> Thanks,
> /Staffan