7e20862 nwfilter: Fix memory leak in virNWFilterIPAddrMapAddIPAddr

1 file Authored by ZhiPeng Lu 6 years ago, Committed by John Ferlan 6 years ago,
    nwfilter: Fix memory leak in virNWFilterIPAddrMapAddIPAddr
    
    If virNWFilterHashTablePut fails, then the @val was leaked.
    
    Signed-off-by: ZhiPeng Lu <lu.zhipeng@zte.com.cn>