bug#22446: (rnrs hashtables): Hash functions of eq? and eqv? hashtables

["Taylan Ulrich Bayırlı/Kammer"]

Per R6RS, the following forms should return #f:

    (hashtable-hash-function (make-eq-hashtable))

    (hashtable-hash-function (make-eqv-hashtable))

but in Guile they return procedures.

Taylan