MOF14 — MOF RTF Issue: typos in Reflective.idl

We've spotted two minor typos in the Reflective.idl in Appendix B.2 of
the MOF 1.3 spec.

1) The constant called "WRONG_DESIGNATOR_DESIGNMATOR_VIOLATION"
should be renamed to "WRONG_DESIGNATOR_VIOLATION".

[The constant is described correctly in section 5.4.6 on page 5-31]

2) The "ref_unset_value()" operation in "RefObject" is missing
a parameter. It should be declared as:

void ref_unset_value(in DesignatorType feature) raises (MofError);

[The operation is described correctly in section 6.2.3 on page 6-13]

Make the changes as suggested