Probe: add probe token to New and Challenge

Change-Id: Iae8b009bb2e78f03910e53fb49e750ebc8a6e6ae
diff --git a/src/certificate-request.cpp b/src/certificate-request.cpp
index 8db1f6f..22b67b0 100644
--- a/src/certificate-request.cpp
+++ b/src/certificate-request.cpp
@@ -52,6 +52,12 @@
 {
 }
 
+void
+CertificateRequest::setProbeToken(const shared_ptr<Data>& probeToken)
+{
+  m_probeToken = probeToken;
+}
+
 std::ostream&
 operator<<(std::ostream& os, const CertificateRequest& request)
 {