Change send to use const unsigned char *data
diff --git a/ndn-cpp/transport/TcpTransport.cpp b/ndn-cpp/transport/TcpTransport.cpp
index 69a9869..044901b 100644
--- a/ndn-cpp/transport/TcpTransport.cpp
+++ b/ndn-cpp/transport/TcpTransport.cpp
@@ -31,7 +31,7 @@
void TcpTransport::send(const unsigned char *data, unsigned int dataLength)
{
ndn_Error error;
- if (error = ndn_TcpTransport_send(&transport_, data, dataLength))
+ if (error = ndn_TcpTransport_send(&transport_, (unsigned char *)data, dataLength))
throw std::runtime_error(ndn_getErrorString(error));
}