Size of counters cache

We process every message and for every body of message which body length exceeds body length limit we needs to keep counter. This counters are kept in cache which size is configurable and by default equals 10000. To change size of counters cache assign proper value to counter-size-limit.

Increasing cache size to 1000000. 

'sess-man' () {
    'spam-filter' () {
        'message-same-long-body' () {
            'counter-size-limit' = 1000000