Merge pull request #3979 from adrian-prantl/release2

Remove unnecessary protected

Author: adrian-prantl

lldb/source/Plugins/TypeSystem/Swift/TypeSystemSwiftTypeRef.h

@@ -51,12 +51,8 @@ class TypeSystemSwiftTypeRef : public TypeSystemSwift {
   static bool classof(const TypeSystem *ts) { return ts->isA(&ID); }
   /// \}
 
-#ifdef NDEBUG
-protected:
-#endif
   /// Provided only for unit tests.
   TypeSystemSwiftTypeRef();
-public:  
   ~TypeSystemSwiftTypeRef();
   TypeSystemSwiftTypeRef(Module &module);
   /// Get the corresponding SwiftASTContext, and create one if necessary.