Update references to CID draft to version 5
diff --git a/library/ssl_srv.c b/library/ssl_srv.c
index 29d5bdd..1639d70 100644
--- a/library/ssl_srv.c
+++ b/library/ssl_srv.c
@@ -493,7 +493,7 @@
/*
* Quoting
- * https://tools.ietf.org/html/draft-ietf-tls-dtls-connection-id-04:
+ * https://tools.ietf.org/html/draft-ietf-tls-dtls-connection-id-05:
*
* struct {
* opaque cid<0..2^8-1>;
@@ -2210,7 +2210,7 @@
/*
* Quoting
- * https://tools.ietf.org/html/draft-ietf-tls-dtls-connection-id-04:
+ * https://tools.ietf.org/html/draft-ietf-tls-dtls-connection-id-05:
*
* struct {
* opaque cid<0..2^8-1>;