[ML] Update lis interface.

It was changed in version 1.4.43 July 17, 2014. See http://www.ssisc.org/lis/ChangeLog.txt.

MathLib/LinAlg/Lis/LisLinearSolver.cpp

@@ -117,7 +117,7 @@ void LisLinearSolver::solve(LisVector &b, LisVector &x)
 
     int iter = 0;
     double resid = 0.0;
-    ierr = lis_solver_get_iters(solver, &iter);
+    ierr = lis_solver_get_iter(solver, &iter);
     checkLisError(ierr);
     ierr = lis_solver_get_residualnorm(solver, &resid);
     checkLisError(ierr);