$NetBSD: patch-aa,v 1.1 2008/08/05 11:33:24 he Exp $

From CPAN PR#7583.

--- Form.pm.orig	2001-12-01 12:05:54.000000000 +0100
+++ Form.pm
@@ -437,7 +437,7 @@ sub checkbox_ischecked {
 
 sub is_checkbox {
    my ($self, $name) = @_;
-   if (defined($self->{'checkboxstate'}->($name))) {
+   if (defined($self->{'checkboxstate'}->{$name})) {
       return 1;
    } else {
       return undef;