[OpenSIPS-Devel] [OpenSIPS/opensips] 5cdd7f: ldap: fix letter check

[Zero King]

  Branch: refs/heads/2.4
  Home:   https://github.com/OpenSIPS/opensips
  Commit: 5cdd7f42ac1725c9c9b94f1fdb9c34c67f58ae8e
      https://github.com/OpenSIPS/opensips/commit/5cdd7f42ac1725c9c9b94f1fdb9c34c67f58ae8e
  Author: Zero King <l2dy at icloud.com>
  Date:   2020-03-12 (Thu, 12 Mar 2020)

  Changed paths:
    M modules/ldap/ldap_connect.c

  Log Message:
  -----------
  ldap: fix letter check

(cherry picked from commit 601091dad5e518ad2c6a224d3d35e5bcad304ab8)