works around a warning from protobuf: ByteSize() deprecated use ByteSizeLong()...

works around a warning from protobuf: ByteSize() deprecated use ByteSizeLong() (Note downcast: protobuf SerializeToArray() still uses int)

src/PlainClient.cpp

@@ -124,7 +124,7 @@ void PlainClient::startWriteRequest()
     {
         RequestSP request_sp = m_protocolManager_sp->createtRequest();
 
-        boost::uint32_t bodySize = request_sp->ByteSize();
+        boost::uint32_t bodySize = request_sp->ByteSizeLong();
 
         #ifdef VERBOSE_DEBUG
             INFO_STREAM << "PlainClient::startRequest() "

src/SSLClient.cpp

@@ -177,7 +177,7 @@ void SSLClient::startWriteRequest()
     {
         RequestSP request_sp = m_protocolManager_sp->createtRequest();
 
-        boost::uint32_t bodySize = request_sp->ByteSize();
+        boost::uint32_t bodySize = request_sp->ByteSizeLong();
 
         #ifdef VERBOSE_DEBUG
             INFO_STREAM << "SSLClient::startWriteRequest() "