macOS XDR library is an oddball using xdr_u_int64_t instead of
xdr_uint64_t which everyone else has.
The code generator already does the right thing, but the test
program previously generated with the Linux rpcgen program
does not compile on macOS due to this.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
