Increase hardcoded value :)

src/myblockproblem.hh

@@ -121,7 +121,7 @@ class MyBlockProblem<ConvexProblemTypeTEMPLATE>::IterateObject {
       LocalVectorType ui_copy = ui;
 
       LocalVectorType correction;
-      for (size_t i = 1; i <= 5; ++i) {
+      for (size_t i = 1; i <= 10; ++i) { // FIXME: hardcoded value
         Dune::minimise(localJ, ui_copy, correction);
         ui_copy += correction;
       }