update format

Change-Id: I31dd0bab092139e98f922d12521d69d8955ec2ef
diff --git a/src/protocol-detail/challenge.hpp b/src/protocol-detail/challenge.hpp
index a506346..7d78009 100644
--- a/src/protocol-detail/challenge.hpp
+++ b/src/protocol-detail/challenge.hpp
@@ -27,7 +27,8 @@
 namespace ndn {
 namespace ndncert {
 
-class CHALLENGE {
+class CHALLENGE
+{
 public:
   static Block
   encodeDataContent(const CaState& request);
diff --git a/src/protocol-detail/error.hpp b/src/protocol-detail/error.hpp
index bfda70c..ae3a027 100644
--- a/src/protocol-detail/error.hpp
+++ b/src/protocol-detail/error.hpp
@@ -26,7 +26,8 @@
 namespace ndn {
 namespace ndncert {
 
-class ErrorTLV {
+class ErrorTLV
+{
 public:
   /**
    * Encode error information into a Data content TLV
diff --git a/src/protocol-detail/info.hpp b/src/protocol-detail/info.hpp
index 83214c9..67a38bf 100644
--- a/src/protocol-detail/info.hpp
+++ b/src/protocol-detail/info.hpp
@@ -26,7 +26,8 @@
 namespace ndn {
 namespace ndncert {
 
-class INFO {
+class INFO
+{
 public:
   /**
    * Encode CA configuration and its certificate into a TLV block as INFO Data packet content.
diff --git a/src/protocol-detail/new-renew-revoke.hpp b/src/protocol-detail/new-renew-revoke.hpp
index ee393b1..53d60ac 100644
--- a/src/protocol-detail/new-renew-revoke.hpp
+++ b/src/protocol-detail/new-renew-revoke.hpp
@@ -26,7 +26,8 @@
 namespace ndn {
 namespace ndncert {
 
-class NEW_RENEW_REVOKE {
+class NEW_RENEW_REVOKE
+{
 public:
   static Block
   encodeApplicationParameters(RequestType requestType, const std::string& ecdhPub, const security::Certificate& certRequest);
diff --git a/src/protocol-detail/probe.hpp b/src/protocol-detail/probe.hpp
index c973c07..52e6cb6 100644
--- a/src/protocol-detail/probe.hpp
+++ b/src/protocol-detail/probe.hpp
@@ -26,7 +26,8 @@
 namespace ndn {
 namespace ndncert {
 
-class PROBE {
+class PROBE
+{
 public:
   // For Client use
   static Block