Probe: make probe a token for better security

Change-Id: I079d70146b3e5c22e789d2ed754018fe562ddd6c
diff --git a/src/client-module.hpp b/src/client-module.hpp
index bbf124c..30cd333 100644
--- a/src/client-module.hpp
+++ b/src/client-module.hpp
@@ -121,7 +121,7 @@
 
 PUBLIC_WITH_TESTS_ELSE_PRIVATE:
   const JsonSection
-  genProbeRequestJson(const std::string& probeInfo);
+  genProbeRequestJson(const ClientCaItem& ca, const std::string& probeInfo);
 
   const JsonSection
   genNewRequestJson(const std::string& ecdhPub, const security::v2::Certificate& certRequest);