Fix critical bug in recipients_distance function.
Fix critical bug in recipients_distance function.

awhitesong/rspamd,amohanta/rspamd,awhitesong/rspamd,amohanta/rspamd,minaevmike/rspamd,AlexeySa/rspamd,minaevmike/rspamd,minaevmike/rspamd,andrejzverev/rspamd,AlexeySa/rspamd,minaevmike/rspamd,andrejzverev/rspamd,andrejzverev/rspamd,andrejzverev/rspamd,andrejzverev/rspamd,dark-al/rspamd,AlexeySa/rspamd,amohanta/rspamd,awhitesong/rspamd,dark-al/rspamd,minaevmike/rspamd,AlexeySa/rspamd,awhitesong/rspamd,andrejzverev/rspamd,dark-al/rspamd,minaevmike/rspamd,minaevmike/rspamd,minaevmike/rspamd,AlexeySa/rspamd,dark-al/rspamd,dark-al/rspamd,andrejzverev/rspamd,AlexeySa/rspamd,amohanta/rspamd,AlexeySa/rspamd,minaevmike/rspamd,AlexeySa/rspamd,amohanta/rspamd,andrejzverev/rspamd,AlexeySa/rspamd