be more consistent and output at least the libdir if one is given

perl-openpkg/perl-openpkg.pl

@@ -438,6 +438,9 @@ if (grep { $_ eq "fixate" } @steps_run) {
         push(@files, '%not %dir '.$pcfg->{installvendorlib}.'/auto');
         push(@files, '%not %dir '.$pcfg->{installvendorlib});
     }
+    else {
+        push(@files, $CF->{path_libdir});
+    }
 
     #   output RPM installation file list
     my $out;