[syslog-ng] 2.0.2 dropped stats not include file destinations

From time to time we fill out disk space where we are writing log files. syslog-ng's statistics do not include dropped items for file type statistics. I have not tested all destination types to verify if dropped statistics get generated for them, but I would expect stats for all destinations. This may make the stats record very large, so you could add an option zero_drop_stats yes/no to remove those destinations with zero drops. Another approach is to log the stat for each dest/source/drop/process as a separate message, or have an option individual_stat_messages yes/no Evan.