fix another ubsan issue
@@ -1287,7 +1287,7 @@ nn_t nn_sort_outputs_by_list_F(nn_t x, int N, const char* sorted_names[N])
int index = 0;
- const char* nnames[N];
+ const char* nnames[N?:1];
int NN = names_remove_double(N, nnames, sorted_names);
for (int i = 0; i < OO; i++){
