code style: member variables end with _
diff --git a/ndn-cpp/security/key-chain.cpp b/ndn-cpp/security/key-chain.cpp
index 3f47e3e..197fdfd 100644
--- a/ndn-cpp/security/key-chain.cpp
+++ b/ndn-cpp/security/key-chain.cpp
@@ -137,7 +137,7 @@
#if 0
if (m_policyManager->requireVerify(*dataPtr))
- stepVerify(dataPtr, true, m_maxStep, onVerified, onVerifyFailed);
+ stepVerify(dataPtr, true, maxStep_, onVerified, onVerifyFailed);
else if(m_policyManager->skipVerify(*dataPtr))
#else
if (verifySignature(*data))