[OpenSIPS-Devel] [OpenSIPS/opensips] d4aead: dialog: increment last_gen_cseq only if initialized

[Răzvan Crainea]

  Branch: refs/heads/3.4
  Home:   https://github.com/OpenSIPS/opensips
  Commit: d4aead240ca2c209d890f06028660771337803b6
      https://github.com/OpenSIPS/opensips/commit/d4aead240ca2c209d890f06028660771337803b6
  Author: Razvan Crainea <razvan at opensips.org>
  Date:   2023-09-26 (Tue, 26 Sep 2023)

  Changed paths:
    M modules/dialog/dlg_handlers.c

  Log Message:
  -----------
  dialog: increment last_gen_cseq only if initialized

Many thanks to Denys Pozniak (@denyspozniak on GitHub) for reporting and
providing troubleshooting information.

Close #3206

(cherry picked from commit 7bafee1f91327f91c0372318cf0cd8e6dc4bceaa)