Fix Multiclass libSVM C++ Attributes

In ML/SVM/LibSVM/svm_train.ecl and ML/SVM/lbSVM/svm_train.ecl , the components sv_coef uses wrong formula for 2d addressing for moving them in and out of libSVM interface.
Change from (i * no_of_cols + j) to (i * no_of_rows + j).