bug 28 : invisibility feature disabled

git-svn-id: http://piwigo.org/svn/branches/release-1_3@542 68402e56-0260-453c-a942-63ccdbb3a9ee

template/default/admin/cat_modify.vtp

@@ -41,6 +41,7 @@
         <!--/VTP_status_option-->
       </td>
     </tr>
+<!--
     <tr>
       <td>{#editcat_visible}</td>
       <td class="row2">
@@ -50,6 +51,8 @@
 	{#editcat_visible_info}
       </td>
     </tr>
+-->
+    <input type="hidden" name="visible" value="true"/>
     <!--VTP_uploadable-->
     <tr>
       <td>{#editcat_uploadable}</td>
@@ -86,4 +89,4 @@
       </td>
     </tr>
   </table>
-</form>
+</form>