Pullup ticket #6522 - requested by nia
mail/balsa: security fix

Revisions pulled up:
- mail/balsa/Makefile                                          1.169
- mail/balsa/distinfo                                          1.27
- mail/balsa/patches/patch-sounds_Makefile.in                  1.2
- mail/balsa/patches/patch-src_sendmsg-window.c                deleted

---
  Module Name: pkgsrc
  Committed By: nia
  Date: Sun Oct 17 10:08:53 UTC 2021

  Modified Files:
  pkgsrc/mail/balsa: Makefile distinfo
  pkgsrc/mail/balsa/patches: patch-sounds_Makefile.in
  Removed Files:
  pkgsrc/mail/balsa/patches: patch-src_sendmsg-window.c

  Log Message:
  balsa: update to 2.6.3

  This fixes the STARTTLS-related crash bugs mentioned here:
  https://nostarttls.secvuln.info/

  * Balsa-2.6.3 release. Release date 2021-08-18

  - Improve Autocrypt-related error messages.
  - Improvements to communication with GnuPG key servers.
  - Create standard-compatible HTML messages.
  - Implement sender-dependent HTML message preferences.
  - Reuse HTTP connections when rendering HTML messages.
  - Do not send empty Reply-To, Cc, etc headers.
  - More robust IMAP parser and response handling.
  - Code cleanups, platform-dependent build fixes

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