upgrade: PER related changes

diff --git a/skeletons/UTCTime.c b/skeletons/UTCTime.c
index c2079fb..9032dbd 100644
--- a/skeletons/UTCTime.c
+++ b/skeletons/UTCTime.c
@@ -28,6 +28,7 @@
 	OCTET_STRING_encode_der,    /* Implemented in terms of OCTET STRING */
 	OCTET_STRING_decode_xer_utf8,
 	UTCTime_encode_xer,
+	0,
 	0, /* Use generic outmost tag fetcher */
 	asn_DEF_UTCTime_tags,
 	sizeof(asn_DEF_UTCTime_tags)
@@ -35,6 +36,7 @@
 	asn_DEF_UTCTime_tags,
 	sizeof(asn_DEF_UTCTime_tags)
 	  / sizeof(asn_DEF_UTCTime_tags[0]),
+	0,	/* No PER visible constraints */
 	0, 0,	/* No members */
 	0	/* No specifics */
 };