More robust child spawning for prefork
More robust child spawning for prefork

This should help the prefork daemon to keep up with demand better without using
much more in the way of resources

Signed-off-by: Ask Bjørn Hansen <1c8f09270fc33a393af3eaf0b2ebf58eb9bbbcc2@develooper.com>

salvis/qpsmtpd,sieutruc/qpsmtpd,priyadi/qpsmtpd,salvis/qpsmtpd,smtpd/qpsmtpd,priyadi/qpsmtpd,msimerson/qpsmtpd,sieutruc/qpsmtpd,msimerson/qpsmtpd,sieutruc/qpsmtpd,smtpd/qpsmtpd,priyadi/qpsmtpd