bug 1328: first specific implementation of the check_pwg_token for the

admin/tags page (all actions : add/edit/delete).

The "check_token" function was renammed into check_pwg_token because the
word "token" is too much generic.

git-svn-id: http://piwigo.org/svn/branches/2.0@4503 68402e56-0260-453c-a942-63ccdbb3a9ee

admin/template/goto/tags.tpl

@@ -4,6 +4,7 @@
 </div>
 
 <form action="{$F_ACTION}" method="post">
+  <input type="hidden" name="pwg_token" value="{$PWG_TOKEN}" />
 
   {if isset($EDIT_TAGS_LIST)}
   <fieldset>