-- changed a hard coded value to a variable.
Kerberos IV detection fails due to double check on krb_mk_priv
(with/without com_err), used cached value from first check for krb_mk_priv.
Added addtional pwcheck methods (MySQL & LDAP Authentication).
PR: 21383
Submitted by: maintainer
Fix detection of kerberos4. (Now support for kerberos4 is always build
if /usr/lib/libkrb.a exists)
Make use of PLIST_SUB.
PR: ports/19187
Submitted by: Maintainer
