[InterNetNews/inn] 40d6ab: auth_krb5: Fix deprecation of krb5_get_init_creds_...

[Julien ÉLIE]

  Branch: refs/heads/main
  Home:   https://github.com/InterNetNews/inn
  Commit: 40d6abfd441df18cda331b79f131819c629429bd
      https://github.com/InterNetNews/inn/commit/40d6abfd441df18cda331b79f131819c629429bd
  Author: Julien ÉLIE <Julien-Elie at users.noreply.github.com>
  Date:   2021-12-05 (Sun, 05 Dec 2021)

  Changed paths:
    M authprogs/auth_krb5.c

  Log Message:
  -----------
  auth_krb5: Fix deprecation of krb5_get_init_creds_opt_init()

Use krb5_get_init_creds_opt_alloc() instead of long deprecated
krb5_get_init_creds_opt_init() function.

Also add a call to krb5_get_init_creds_opt_free().