postgreyreport(1) required Net::DNS

postgrey/postgrey.spec

@@ -49,7 +49,7 @@ BuildRoot:    %{l_buildroot}
 BuildPreReq:  OpenPKG, openpkg >= 20040130
 PreReq:       OpenPKG, openpkg >= 20040130
 BuildPreReq:  perl
-PreReq:       perl, perl-sys, perl-net, perl-db
+PreReq:       perl, perl-sys, perl-net, perl-db, perl-dns
 AutoReq:      no
 AutoReqProv:  no