Bug 212471: Tabular reports do not link bug counts involving the empty resolution correctly

report.cgi

@@ -354,7 +354,7 @@ sub get_names {
         foreach my $value (@{$field->legal_values}) {
             push(@sorted, $value->name) if $names->{$value->name};
         }
-        unshift(@sorted, ' ') if $field_name eq 'resolution';
+        unshift(@sorted, '---') if $field_name eq 'resolution';
         @sorted = uniq @sorted;
     }  
     elsif ($isnumeric) {
@@ -383,6 +383,7 @@ sub check_value {
     else {
         $value = shift @$result;
         $value = ' ' if (!defined $value || $value eq '');
+        $value = '---' if ($field eq 'resolution' && $value eq ' ');
     }
     return $value;
 }