Remove PID file on exit, if we were told to create one with --pid-file
Remove PID file on exit, if we were told to create one with --pid-file


git-svn-id: 8627b950de83f1ebafceadd4bf4375ec024178de@525 958fd67b-6ff1-0310-b445-bb7760255be9

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