Add missing breaks (no behaviour change)

Source/Core/DolphinQt/Debugger/MemoryViewWidget.cpp

@@ -356,6 +356,7 @@ void MemoryViewWidget::UpdateDispatcher(UpdateType type)
     // Values were captured on CPU thread while doing a callback.
     if (m_values.size() != 0)
       UpdateColumns();
+    break;
   default:
     break;
   }