User ldap error are wrongly reported

It says deletion error when it’s not

(from redmine: issue id 3491, created on 2014-11-25, closed on 2014-12-18)

• Changesets:
  • Revision 33eb7637 by Côme Chilliet on 2014-11-26T13:22:20.000Z:

Fixes: #3491 Fixed user ldap error mode

• Custom Fields:
  • Bug in version: 1.0.8.2
• Uploads:
  • 0001-Fixes-3491-Fixed-user-ldap-error-mode.patch