[OpenSIPS-Devel] [OpenSIPS/opensips] e42f7c: dialog: Fix $dlg_val memleak

[Liviu Chircu]

  Branch: refs/heads/3.4
  Home:   https://github.com/OpenSIPS/opensips
  Commit: e42f7c4c8a31d8b81b6047f055e9d24c42c8145d
      https://github.com/OpenSIPS/opensips/commit/e42f7c4c8a31d8b81b6047f055e9d24c42c8145d
  Author: Liviu Chircu <liviu at opensips.org>
  Date:   2023-09-15 (Fri, 15 Sep 2023)

  Changed paths:
    M modules/dialog/dlg_vals.c

  Log Message:
  -----------
  dialog: Fix $dlg_val memleak

Fixes #3135

(cherry picked from commit e2bfeda4e6c714dc65ab096d1664799c1f9bd5d2)