[balsa: 10/16] Use https for www.ietf.org

[Peter Bloomfield <peterb src gnome org>]

commit dee69513f7d8318841475831c025cd0565150dd3
Author: Daniel Kahn Gillmor <dkg fifthhorseman net>
Date:   Thu Feb 13 16:07:49 2020 -0500

    Use https for www.ietf.org

 libbalsa/address.c | 2 +-
 libbalsa/mime.c    | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/libbalsa/address.c b/libbalsa/address.c
index 8f6dfb413..5ba9cb5ad 100644
--- a/libbalsa/address.c
+++ b/libbalsa/address.c
@@ -115,7 +115,7 @@ libbalsa_address_new(void)
    VCARD code attempts to obey published documentation:
 
    [1] VCARD 1.2 specs: http://www.imc.org/pdi/vcard-21.txt
-   [2] VCARD 3.0 specs, RFC 2426 (http://www.ietf.org/rfc/rfc2426.txt)
+   [2] VCARD 3.0 specs, RFC 2426 (https://www.ietf.org/rfc/rfc2426.txt)
 */
 
 static gboolean
diff --git a/libbalsa/mime.c b/libbalsa/mime.c
index 224808794..a31fea10b 100644
--- a/libbalsa/mime.c
+++ b/libbalsa/mime.c
@@ -219,10 +219,10 @@ content2reply(LibBalsaMessageBody * root, gchar * reply_prefix_str,
  * so this doesn't change the content.
  * */
 /* Updated 2003 to implement DelSp=Yes as in
- * http://www.ietf.org/internet-drafts/draft-gellens-format-bis-01.txt
+ * https://www.ietf.org/internet-drafts/draft-gellens-format-bis-01.txt
  */
 /* Now documented in RFC 3676:
- * http://www.ietf.org/rfc/rfc3676.txt
+ * https://www.ietf.org/rfc/rfc3676.txt
  * or
  * http://www.faqs.org/rfcs/rfc3676.html
  */