Makefile.PL: gzip -9, and clean up test db

and a perltidy

Makefile.PL

@@ -19,6 +19,10 @@ WriteMakefile(
     ABSTRACT  => 'Flexible smtpd daemon written in Perl',
     AUTHOR    => 'Ask Bjoern Hansen <ask@develooper.com>',
     EXE_FILES => [qw(qpsmtpd qpsmtpd-forkserver qpsmtpd-prefork qpsmtpd-async)],
+    dist      => {COMPRESS => 'gzip -9f',},
+    clean     => {
+              FILES => ['t/config/greylist.dbm*',],
+             },
 );
 
 sub MY::libscan {