Fix a stray quote in the generated 'dns' file.
Fix a stray quote in the generated 'dns' file.

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