if (xmlStrcmp(nodo->name, BAD_CAST"entrada") == 0) {
item = dynamic_cast<Control *>(find((char *)XML_GET_CONTENT(nodo->children)));
if (item != NULL) {
- if (dynamic_cast<Tank *>(item)) {
+ if (dynamic_cast<Tank *>(item) != NULL) {
std::string donde = (char *)xmlGetProp(nodo, BAD_CAST"id");
if (donde == "inferior") {
current->connect( item->get_logic_output(), IConector::IN );