[RFA/JDWP] Fix ReferenceType.Methods for Interfaces

[Tom Tromey]

>>>>> "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.

Tom