62c01b7 Ticket #48048 - Fix coverity issues - 2015/2/24

Authored and Committed by nhosoi 9 years ago
    Ticket #48048 - Fix coverity issues - 2015/2/24
    
    Coverity defect 13072 - Explicit null dereferenced (FORWARD_NULL)
    Description: Added NULL check for ent.
    modified: deref_pre_entry in deref.c