Minor fix

AlexeyAB

2018-06-01 4cf4a89f05c671041c217a724fc9b4b026eb9de9

 src/matrix.c

@@ -22,8 +22,8 @@
    for(i = 0; i < truth.rows; ++i){
        top_k(guess.vals[i], n, k, indexes);
        for(j = 0; j < k; ++j){
            int class = indexes[j];
            if(truth.vals[i][class]){
            int class_id = indexes[j];
            if(truth.vals[i][class_id]){
                ++correct;
                break;
            }