Fix pattern substitution in user_config plugin
Fix pattern substitution in user_config plugin

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