introduce oer constraint code
diff --git a/skeletons/VideotexString.c b/skeletons/VideotexString.c
index 12063db..760fb06 100644
--- a/skeletons/VideotexString.c
+++ b/skeletons/VideotexString.c
@@ -43,6 +43,7 @@
 	asn_DEF_VideotexString_tags,
 	sizeof(asn_DEF_VideotexString_tags)
 	  / sizeof(asn_DEF_VideotexString_tags[0]),
+	0,	/* No OER visible constraints */
 	0,	/* No PER visible constraints */
 	0, 0,	/* No members */
 	0	/* No specifics */