LttvFilter *histo_filter = histocontrol_flow_data->histo_main_win_filter;
if(histo_filter != NULL && histo_filter->head != NULL)
if(!lttv_filter_tree_parse(histo_filter->head,e,tfc->tf,
LttvFilter *histo_filter = histocontrol_flow_data->histo_main_win_filter;
if(histo_filter != NULL && histo_filter->head != NULL)
if(!lttv_filter_tree_parse(histo_filter->head,e,tfc->tf,