[Done 1.3.9] options values manager - duplicate rows if more than one lang installed

[hensema]

The query on line 646 from admin/options_values_manager.php generates duplicate rows.
Change to 'select distinct... ' to fix.

Patch against 1.3.5:

--- admin/options_values_manager.php    (revision 356)
+++ admin/options_values_manager.php    (revision 357)
@@ -643,7 +643,7 @@
 <?php
     $per_page = MAX_ROW_LISTS_OPTIONS;
 //    $values = "select pov.products_options_values_id, pov.products_options_values_name, pov2po.products_options_id, pov.products_options_values_sort_order from " . TABLE_PRODUCTS_OPTIONS_VALUES . " pov left join " . TABLE_PRODUCTS_OPTIONS_VALUES_TO_PRODUCTS_OPTIONS . " pov2po on pov.products_options_values_id = pov2po.products_options_values_id where pov.language_id = '" . (int)$_SESSION['languages_id'] . "' and pov2po.products_options_values_id !='" . PRODUCTS_OPTIONS_VALUES_TEXT_ID . "' order by LPAD(pov2po.products_options_id,11,'0'), LPAD(pov.products_options_values_sort_order,11,'0'), pov.products_options_values_name";
-    $values = "select pov.products_options_values_id, pov.products_options_values_name, pov2po.products_options_id, pov.products_options_values_sort_order from " . TABLE_PRODUCTS_OPTIONS_VALUES . " pov left join " . TABLE_PRODUCTS_OPTIONS_VALUES_TO_PRODUCTS_OPTIONS . " pov2po on pov.products_options_values_id = pov2po.products_options_values_id     left join " . TABLE_PRODUCTS_OPTIONS . " po on pov2po.products_options_id = po.products_options_id where pov.language_id = '" . (int)$_SESSION['languages_id'] . "' and pov2po.products_options_values_id !='" . PRODUCTS_OPTIONS_VALUES_TEXT_ID . "' order by  po.products_options_name, LPAD(pov.products_options_values_sort_order,11,'0'), pov.products_options_values_name";
+    $values = "select distinct pov.products_options_values_id, pov.products_options_values_name, pov2po.products_options_id, pov.products_options_values_sort_order from " . TABLE_PRODUCTS_OPTIONS_VALUES . " pov left join " . TABLE_PRODUCTS_OPTIONS_VALUES_TO_PRODUCTS_OPTIONS . " pov2po on pov.products_options_values_id = pov2po.products_options_values_id     left join " . TABLE_PRODUCTS_OPTIONS . " po on pov2po.products_options_id = po.products_options_id where pov.language_id = '" . (int)$_SESSION['languages_id'] . "' and pov2po.products_options_values_id !='" . PRODUCTS_OPTIONS_VALUES_TEXT_ID . "' order by  po.products_options_name, LPAD(pov.products_options_values_sort_order,11,'0'), pov.products_options_values_name";
     if (!isset($_GET['value_page'])) {
       $_GET['value_page'] = 1;
     }