* adds a new key count into the integer distribution table
*/
void stat_add_int_distrib_tbl(distrib_tbl_t *tbl, int key, const counter_t *cnt) {
* adds a new key count into the integer distribution table
*/
void stat_add_int_distrib_tbl(distrib_tbl_t *tbl, int key, const counter_t *cnt) {