rename identity challenge dir to challenge

Change-Id: Ieb89704404dae2086bd83987624670432bb69663
diff --git a/src/requester-request-state.hpp b/src/requester-request-state.hpp
index 9c67409..815e7cc 100644
--- a/src/requester-request-state.hpp
+++ b/src/requester-request-state.hpp
@@ -60,7 +60,7 @@
   /**
    * @brief The current status of the request.
    */
-  Status m_status = Status::NOT_STARTED;
+  Status m_status = Status::BEFORE_CHALLENGE;
   /**
    * @brief The type of challenge chosen.
    */