temporary suppress warning until implemented

GUI/View/SampleDesigner/MesoCrystalForm.cpp

@@ -66,6 +66,7 @@ QComboBox* MesoCrystalForm::createBasisCombo(QWidget* parent, ItemWithParticles*
     WheelEventEater::install(combo);
     combo->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Fixed);
 
+    Q_UNUSED(current)
     // #baMigration ++ implement basis combo
     //     const auto modelTypes = ItemCatalog::formfactorHardParticleTypes()
     //                             + ItemCatalog::formfactorRippleTypes()