Fix regression in introduced in merge of C++11 strongly typed enums support

- Guile constants bad casts generated
- Go non-public enum value wrappers assert failure

Also cosmetic test comment correction

Examples/test-suite/csharp/cpp11_strongly_typed_enumerations_runme.cs

@@ -1,6 +1,3 @@
-
-// This is the bool runtime testcase. It checks that the C++ bool type works.
-
 using System;
 using cpp11_strongly_typed_enumerationsNamespace;