Bug 614511 - fix coverify Defect Type: Null pointer dereferences issues 11846 - 11891
https://bugzilla.redhat.com/show_bug.cgi?id=614511
Resolves: bug 614511
Bug description: Fix coverify Defect Type: Null pointer dereferences issues 11846 - 11891
description: Catch possible NULL pointer in slapi_dn_normalize_ext() and slapi_sdn_done().