minor build issues
Change-Id: Idce36612022aa538cda6fd9dbb709fad98f3baa2
diff --git a/src/challenge/challenge-possession.cpp b/src/challenge/challenge-possession.cpp
index 99ece96..73a0c29 100644
--- a/src/challenge/challenge-possession.cpp
+++ b/src/challenge/challenge-possession.cpp
@@ -28,7 +28,7 @@
namespace ndncert {
NDN_LOG_INIT(ndncert.challenge.possession);
-NDNCERT_REGISTER_CHALLENGE(ChallengePossession, "Possession");
+NDNCERT_REGISTER_CHALLENGE(ChallengePossession, "possession");
const std::string ChallengePossession::PARAMETER_KEY_CREDENTIAL_CERT = "issued-cert";
const std::string ChallengePossession::PARAMETER_KEY_NONCE = "nonce";