add skeleton OER stubs
diff --git a/skeletons/PrintableString.c b/skeletons/PrintableString.c
index 574cbfe..48ee751 100644
--- a/skeletons/PrintableString.c
+++ b/skeletons/PrintableString.c
@@ -64,6 +64,13 @@
 	OCTET_STRING_decode_uper,
 	OCTET_STRING_encode_uper,
 #endif	/* ASN_DISABLE_PER_SUPPORT */
+#ifdef	ASN_DISABLE_OER_SUPPORT
+	0,
+	0,
+#else
+	0,
+	0,
+#endif	/* ASN_DISABLE_OER_SUPPORT */
 	0, /* Use generic outmost tag fetcher */
 	asn_DEF_PrintableString_tags,
 	sizeof(asn_DEF_PrintableString_tags)