compilation fix for 611

Former-commit-id: 94f69cc59b30a76ff4a6ad35307e1713c1420c8b

tutorial/611_SLIM/main.cpp

@@ -265,7 +265,7 @@ void check_mesh_for_issues(Eigen::MatrixXd& V, Eigen::MatrixXi& F) {
   if (!euler_char) {
     cout << "Error! Input does not have a disk topology, it's euler char is " << euler_char << endl; exit(1);
   }
-  bool is_edge_manifold = igl::is_edge_manifold(V, F);
+  bool is_edge_manifold = igl::is_edge_manifold(F);
   if (!is_edge_manifold) {
     cout << "Error! Input is not an edge manifold" << endl; exit(1);
   }