[RFA/JDWP] Fix ReferenceType.Methods for Interfaces

[Kyle Galloway]

Tom Tromey wrote:
>>>>>> "Kyle" == Kyle Galloway <kgallowa@redhat.com> writes:
>>>>>>             
>
> Kyle> Currently, since the id is immediately cast into a ClassReferenceTypeId,
> Kyle> this method will fail for Interfaces.  This patch, which is already in
> Kyle> Classpath, fixes this by removing the cast and using a generic
> Kyle> RegerenceTypeId.  This allows Interface methods to be properly retrieved.
>
> Ok, thanks.
>   
This has been checked in.

Thanks,
Kyle