https://fedorahosted.org/389/ticket/348
Resolves: Ticket #348
Bug Description: crash in ldap_initialize with multiple threads
Reviewed by: mreynolds (Thanks!)
Branch: master
Fix Description: Protect calls to ldap_initialize() with a mutex to prevent
multiple threads from calling it at the same time.
Platforms tested: RHEL6 x86_64
Flag Day: no
Doc impact: no
(cherry picked from commit 23c088919f66de014ee7f9aad407468e51451405)
(cherry picked from commit 3f73fa545d6e0edb9b4620be057e564ee5067276)