merge two onInterest callback into one

Change-Id: I82e8150239d795cb465ea2526624300590e4434c
diff --git a/src/client-module.cpp b/src/client-module.cpp
index 6ebe9d7..024c23e 100644
--- a/src/client-module.cpp
+++ b/src/client-module.cpp
@@ -214,11 +214,11 @@
 std::list<std::string>
 ClientModule::onNewResponse(const Data& reply)
 {
-  return onRequestInitResponse(reply, REQUEST_TYPE_NEW);
+  return onRequestInitResponse(reply, RequestType::NEW);
 }
 
 std::list<std::string>
-ClientModule::onRequestInitResponse(const Data& reply, int requestType)
+ClientModule::onRequestInitResponse(const Data& reply, RequestType requestType)
 {
   if (!security::verifySignature(reply, m_ca.m_anchor)) {
     _LOG_ERROR("Cannot verify data signature from " << m_ca.m_caPrefix.toUri());
@@ -281,7 +281,7 @@
 std::list<std::string>
 ClientModule::onRevokeResponse(const Data& reply)
 {
-  return onRequestInitResponse(reply, REQUEST_TYPE_REVOKE);
+  return onRequestInitResponse(reply, RequestType::REVOKE);
 }
 
 shared_ptr<Interest>