Fixed broken link in previews template.

webtools/addons/public/tpl/previews.tpl

@@ -1,7 +1,7 @@
 <h2><strong>{$addon->Name}</strong> &raquo; Previews &amp; Screenshots</h2>
 <p class="first">
-<strong><a href="./addon.php?id={$addon->ID}">{$addon->Name} {$addon->Version}</a></strong>,
+<strong><a href="{$config.webpath}/{$app}/{$addon->ID}/">{$addon->Name} {$addon->Version}</a></strong>,
-by <a href="./author.php?id={$addon->UserID}">{$addon->UserName}</a>,
+by <a href="{$config.webpath}/{$app}/{$addon->UserID}/author/">{$addon->UserName}</a>,
 released on {$addon->VersionDateAdded|date_format}
 </p>