Force udp connection

mavsdk_wrapper.cpp

@@ -92,14 +92,12 @@ static double toDeg(double angle) {
 }
 
 int start(const char * ip, int port, const char * log_file, int timeout) {
-    char url[32];
-    sprintf(url, "udp://%s:%d", ip , port);
-    std::string connection_url(url);
+    std::string remote_ip(ip);
     ConnectionResult connection_result;
     float abs_altitude;
     log_file_fd.open(log_file);
 
-    connection_result = _mavsdk.add_any_connection(connection_url);
+    connection_result = _mavsdk.add_udp_connection(remote_ip, port);
     if (connection_result != ConnectionResult::Success) {
         log_error_from_result("Connection failed", connection_result);
         return -1;