constness fixes, round-trip and fuzz-testing for CHOICE
diff --git a/skeletons/per_support.h b/skeletons/per_support.h
index 94dde9f..3e905a8 100644
--- a/skeletons/per_support.h
+++ b/skeletons/per_support.h
@@ -1,6 +1,5 @@
 /*
- * Copyright (c) 2005-2014 Lev Walkin <vlm@lionet.info>.
- * All rights reserved.
+ * Copyright (c) 2005-2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
  * Redistribution and modifications are permitted subject to BSD license.
  */
 #ifndef	_PER_SUPPORT_H_