c097f15 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 13071 - Explicit null dereferenced (FORWARD_NULL)
    Description: Added NULL check for mrINDEX.
    modified: matchrule_values_to_keys in matchrule.c