* zerobin make <download> link really filesaving

templates/zerobin/view.html.ep

@@ -1,12 +1,12 @@
 % layout 'default';
 % title 'Zerobin -- View';
 % my $paste = stash('paste') || {};
-% my $path = sprintf '/zerobin/%d.txt', $paste->{created};
+% my $fname = sprintf '%d.txt', $paste->{created};
 <h1><%= l('View paste') %></h1>
 <div>
   <div>
     <%= link_to l('Create new') => "/zerobin", class => 'zerobin create' %>
-    <%= link_to l('Download') => $path, class => 'zerobin download' %>
+    <%= link_to l('Download') => "/zerobin/$fname", class => 'zerobin download', download => $fname %>
   </div>
   <br/>
   <div class="paste">