Merge remote-tracking branch 'refs/remotes/origin/dovecot-lastauth' i…

…nto dovecot-lastauth

provision/dovecot.sh

@@ -577,7 +577,7 @@ user=\$(echo \$USER | cut -f1 -d@)
 echo "UPDATE vpopmail.lastauth SET timestamp=UNIX_TIMESTAMP(now()), remote_ip='\$IP' WHERE user='\$user' AND domain='\$domain';" \
  | mysql --defaults-extra-file=/data/etc/.my.cnf vpopmail
 
-exec "$@"
+exec "\$@"
 EO_LASTAUTH
 
 	_mycnf="$ZFS_DATA_MNT/dovecot/etc/.my.cnf"