3e3ed48 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 13038 - Explicit null dereferenced (FORWARD_NULL)
    Description:  Added NULL check for pb_operation.
    modified: roles_cache_change_notify in roles_cache.c