Fixup sizing of a string to be more intuitive and consistent. The

only functional change that this introduces is to bump down the
maximum hostname length by one, to what it should be.

PR:
Obtained from:
Submitted by:	Theo de Raadt <deraadt@cvs.openbsd.org>
Reviewed by:


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@84450 13f79535-47bb-0310-9956-ffa450edef68